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Docs: typos/spelling
Fix spelling and grammar in Docs descriptions Signed-off-by: Remington Brasga <rbrasga@uci.edu> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20240429225527.2329-1-rbrasga@uci.edu
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@ -135,7 +135,7 @@ and does not want to suffer the performance impact, one can always
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disable the mitigation with spec_rstack_overflow=off.
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disable the mitigation with spec_rstack_overflow=off.
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Similarly, 'Mitigation: IBPB' is another full mitigation type employing
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Similarly, 'Mitigation: IBPB' is another full mitigation type employing
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an indrect branch prediction barrier after having applied the required
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an indirect branch prediction barrier after having applied the required
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microcode patch for one's system. This mitigation comes also at
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microcode patch for one's system. This mitigation comes also at
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a performance cost.
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a performance cost.
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@ -7308,7 +7308,7 @@
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This can be changed after boot by writing to the
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This can be changed after boot by writing to the
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matching /sys/module/workqueue/parameters file. All
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matching /sys/module/workqueue/parameters file. All
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workqueues with the "default" affinity scope will be
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workqueues with the "default" affinity scope will be
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updated accordignly.
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updated accordingly.
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workqueue.debug_force_rr_cpu
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workqueue.debug_force_rr_cpu
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Workqueue used to implicitly guarantee that work
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Workqueue used to implicitly guarantee that work
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@ -308,7 +308,7 @@ limited by the ``advisor_max_cpu`` parameter. In addition there is also the
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``advisor_target_scan_time`` parameter. This parameter sets the target time to
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``advisor_target_scan_time`` parameter. This parameter sets the target time to
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scan all the KSM candidate pages. The parameter ``advisor_target_scan_time``
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scan all the KSM candidate pages. The parameter ``advisor_target_scan_time``
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decides how aggressive the scan time advisor scans candidate pages. Lower
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decides how aggressive the scan time advisor scans candidate pages. Lower
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values make the scan time advisor to scan more aggresively. This is the most
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values make the scan time advisor to scan more aggressively. This is the most
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important parameter for the configuration of the scan time advisor.
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important parameter for the configuration of the scan time advisor.
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The initial value and the maximum value can be changed with
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The initial value and the maximum value can be changed with
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@ -173,7 +173,7 @@ When accessing IDE registers with A6=1 (for example $84x),
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the timing will always be mode 0 8-bit compatible, no matter
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the timing will always be mode 0 8-bit compatible, no matter
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what you have selected in the speed register:
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what you have selected in the speed register:
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781ns select, IOR/IOW after 4 clock cycles (=314ns) aktive.
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781ns select, IOR/IOW after 4 clock cycles (=314ns) active.
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All the timings with a very short select-signal (the 355ns
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All the timings with a very short select-signal (the 355ns
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fast accesses) depend on the accelerator card used in the
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fast accesses) depend on the accelerator card used in the
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@ -41,7 +41,7 @@ Chapter 36. Coprocessor services
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submissions until they succeed; waiting for an outstanding CCB to complete is not necessary, and would
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submissions until they succeed; waiting for an outstanding CCB to complete is not necessary, and would
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not be a guarantee that a future submission would succeed.
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not be a guarantee that a future submission would succeed.
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The availablility of DAX coprocessor command service is indicated by the presence of the DAX virtual
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The availability of DAX coprocessor command service is indicated by the presence of the DAX virtual
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device node in the guest MD (Section 8.24.17, “Database Analytics Accelerators (DAX) virtual-device
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device node in the guest MD (Section 8.24.17, “Database Analytics Accelerators (DAX) virtual-device
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node”).
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node”).
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@ -138,7 +138,7 @@ Note this example does not include the sigaltstack preparation.
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Dynamic features in signal frames
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Dynamic features in signal frames
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---------------------------------
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---------------------------------
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Dynamcally enabled features are not written to the signal frame upon signal
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Dynamically enabled features are not written to the signal frame upon signal
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entry if the feature is in its initial configuration. This differs from
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entry if the feature is in its initial configuration. This differs from
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non-dynamic features which are always written regardless of their
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non-dynamic features which are always written regardless of their
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configuration. Signal handlers can examine the XSAVE buffer's XSTATE_BV
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configuration. Signal handlers can examine the XSAVE buffer's XSTATE_BV
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@ -18,7 +18,7 @@ exceptions`_, `NMI and NMI-like exceptions`_.
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Non-instrumentable code - noinstr
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Non-instrumentable code - noinstr
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---------------------------------
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---------------------------------
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Most instrumentation facilities depend on RCU, so intrumentation is prohibited
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Most instrumentation facilities depend on RCU, so instrumentation is prohibited
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for entry code before RCU starts watching and exit code after RCU stops
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for entry code before RCU starts watching and exit code after RCU stops
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watching. In addition, many architectures must save and restore register state,
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watching. In addition, many architectures must save and restore register state,
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which means that (for example) a breakpoint in the breakpoint entry code would
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which means that (for example) a breakpoint in the breakpoint entry code would
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@ -462,7 +462,7 @@ statements is reduced. This is also reflected in the assembly code.
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Analysis 3
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Analysis 3
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==========
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==========
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Very weird. Guess it has to do with caching or instruction parallellism
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Very weird. Guess it has to do with caching or instruction parallelism
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or so. I also tried on an eeePC (Celeron, clocked at 900 Mhz). Interesting
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or so. I also tried on an eeePC (Celeron, clocked at 900 Mhz). Interesting
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observation was that this one is only 30% slower (according to time)
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observation was that this one is only 30% slower (according to time)
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executing the code as my 3Ghz D920 processor.
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executing the code as my 3Ghz D920 processor.
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@ -259,7 +259,7 @@ attributes for Serial Attached SCSI, a variant of SATA aimed at large
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high-end systems.
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high-end systems.
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The SAS transport class contains common code to deal with SAS HBAs, an
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The SAS transport class contains common code to deal with SAS HBAs, an
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aproximated representation of SAS topologies in the driver model, and
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approximated representation of SAS topologies in the driver model, and
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various sysfs attributes to expose these topologies and management
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various sysfs attributes to expose these topologies and management
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interfaces to userspace.
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interfaces to userspace.
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@ -422,7 +422,7 @@ USBDEVFS_CONNECTINFO
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USBDEVFS_GET_SPEED
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USBDEVFS_GET_SPEED
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Returns the speed of the device. The speed is returned as a
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Returns the speed of the device. The speed is returned as a
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nummerical value in accordance with enum usb_device_speed
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numerical value in accordance with enum usb_device_speed
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File modification time is not updated by this request.
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File modification time is not updated by this request.
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@ -68,7 +68,7 @@ The expected flow for the consumers:
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can be enabled for the device.
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can be enabled for the device.
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2. Call `amd_wbrf_register_notifier` to register for notification
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2. Call `amd_wbrf_register_notifier` to register for notification
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of frequency band change(add or remove) from other producers.
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of frequency band change(add or remove) from other producers.
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3. Call the `amd_wbrf_retrieve_freq_band` initally to retrieve
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3. Call the `amd_wbrf_retrieve_freq_band` initially to retrieve
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current active frequency bands considering some producers may broadcast
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current active frequency bands considering some producers may broadcast
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such information before the consumer is up.
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such information before the consumer is up.
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4. On receiving a notification for frequency band change, run
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4. On receiving a notification for frequency band change, run
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@ -44,7 +44,7 @@ For our purposes all operations fall in 6 classes:
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* decide which of the source and target need to be locked.
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* decide which of the source and target need to be locked.
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The source needs to be locked if it's a non-directory, target - if it's
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The source needs to be locked if it's a non-directory, target - if it's
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a non-directory or about to be removed.
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a non-directory or about to be removed.
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* take the locks that need to be taken (exlusive), in inode pointer order
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* take the locks that need to be taken (exclusive), in inode pointer order
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if need to take both (that can happen only when both source and target
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if need to take both (that can happen only when both source and target
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are non-directories - the source because it wouldn't need to be locked
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are non-directories - the source because it wouldn't need to be locked
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otherwise and the target because mixing directory and non-directory is
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otherwise and the target because mixing directory and non-directory is
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@ -234,7 +234,7 @@ among the children, in some order. But that is also impossible, since
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neither of the children is a descendent of another.
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neither of the children is a descendent of another.
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That concludes the proof, since the set of operations with the
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That concludes the proof, since the set of operations with the
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properties requiered for a minimal deadlock can not exist.
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properties required for a minimal deadlock can not exist.
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Note that the check for having a common ancestor in cross-directory
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Note that the check for having a common ancestor in cross-directory
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rename is crucial - without it a deadlock would be possible. Indeed,
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rename is crucial - without it a deadlock would be possible. Indeed,
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@ -858,7 +858,7 @@ be misspelled d_alloc_anon().
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**mandatory**
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**mandatory**
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[should've been added in 2016] stale comment in finish_open() nonwithstanding,
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[should've been added in 2016] stale comment in finish_open() notwithstanding,
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failure exits in ->atomic_open() instances should *NOT* fput() the file,
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failure exits in ->atomic_open() instances should *NOT* fput() the file,
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no matter what. Everything is handled by the caller.
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no matter what. Everything is handled by the caller.
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@ -989,7 +989,7 @@ This mechanism would only work for a single device so the block layer couldn't
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find the owning superblock of any additional devices.
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find the owning superblock of any additional devices.
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In the old mechanism reusing or creating a superblock for a racing mount(2) and
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In the old mechanism reusing or creating a superblock for a racing mount(2) and
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umount(2) relied on the file_system_type as the holder. This was severly
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umount(2) relied on the file_system_type as the holder. This was severely
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underdocumented however:
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underdocumented however:
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(1) Any concurrent mounter that managed to grab an active reference on an
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(1) Any concurrent mounter that managed to grab an active reference on an
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@ -80,7 +80,7 @@ to the dentry cache with::
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Debugging options may require the minimum possible slab order to increase as
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Debugging options may require the minimum possible slab order to increase as
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a result of storing the metadata (for example, caches with PAGE_SIZE object
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a result of storing the metadata (for example, caches with PAGE_SIZE object
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sizes). This has a higher liklihood of resulting in slab allocation errors
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sizes). This has a higher likelihood of resulting in slab allocation errors
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in low memory situations or if there's high fragmentation of memory. To
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in low memory situations or if there's high fragmentation of memory. To
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switch off debugging for such caches by default, use::
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switch off debugging for such caches by default, use::
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@ -81,7 +81,7 @@ A summary of the ``@optname`` entries is as follows::
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destination addresses.
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destination addresses.
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SCTP_SENDMSG_CONNECT - Initiate a connection that is generated by a
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SCTP_SENDMSG_CONNECT - Initiate a connection that is generated by a
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sendmsg(2) or sctp_sendmsg(3) on a new asociation.
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sendmsg(2) or sctp_sendmsg(3) on a new association.
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SCTP_PRIMARY_ADDR - Set local primary address.
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SCTP_PRIMARY_ADDR - Set local primary address.
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@ -31,7 +31,7 @@ Linux內核補丁提交檢查單
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c) 使用 ``O=builddir`` 時可以成功編譯
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c) 使用 ``O=builddir`` 時可以成功編譯
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d) 任何 Doucmentation/ 下的變更都能成功構建且不引入新警告/錯誤。
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d) 任何 Documentation/ 下的變更都能成功構建且不引入新警告/錯誤。
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用 ``make htmldocs`` 或 ``make pdfdocs`` 檢驗構建情況並修復問題。
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用 ``make htmldocs`` 或 ``make pdfdocs`` 檢驗構建情況並修復問題。
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3) 通過使用本地交叉編譯工具或其他一些構建設施在多個CPU體系結構上構建。
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3) 通過使用本地交叉編譯工具或其他一些構建設施在多個CPU體系結構上構建。
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