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kmemleak-test: fix kmemleak_test.c build logic

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kmemleak-test.c was moved to the samples directory in 1abbef4f51
("mm,kmemleak-test.c: move kmemleak-test.c to samples dir").

If CONFIG_DEBUG_KMEMLEAK_TEST=m and CONFIG_SAMPLES is unset,
kmemleak-test.c will be unnecessarily compiled.

So move the entry for CONFIG_DEBUG_KMEMLEAK_TEST from mm/Kconfig and add a
new CONFIG_SAMPLE_KMEMLEAK in samples/ to control whether kmemleak-test.c
is built or not.

Link: https://lkml.kernel.org/r/20230330060904.292975-1-gehao@kylinos.cn
Fixes: 1abbef4f51 ("mm,kmemleak-test.c: move kmemleak-test.c to samples dir")
Signed-off-by: Hao Ge <gehao@kylinos.cn>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Finn Behrens <me@kloenk.dev>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Tony Krowiak <akrowiak@linux.ibm.com>
Cc: Ye Xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Hao Ge 2023-03-30 14:09:04 +08:00 committed by Andrew Morton
parent 869cb29a61
commit 27d9a0fdb5
4 changed files with 9 additions and 10 deletions
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8
mm/Kconfig.debug
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@ -249,14 +249,6 @@ config DEBUG_KMEMLEAK_MEM_POOL_SIZE
fully initialised, this memory pool acts as an emergency one
if slab allocations fail.
config DEBUG_KMEMLEAK_TEST
tristate "Simple test for the kernel memory leak detector"
depends on DEBUG_KMEMLEAK && m
help
This option enables a module that explicitly leaks memory.
If unsure, say N.
config DEBUG_KMEMLEAK_DEFAULT_OFF
bool "Default kmemleak to off"
depends on DEBUG_KMEMLEAK

7
samples/Kconfig
View File

@ -273,6 +273,13 @@ config SAMPLE_CORESIGHT_SYSCFG
This demonstrates how a user may create their own CoreSight
configurations and easily load them into the system at runtime.
config SAMPLE_KMEMLEAK
tristate "Simple test for the kernel memory leak detector"
depends on DEBUG_KMEMLEAK && m
help
Build a sample program which have explicitly leaks memory to test
kmemleak
source "samples/rust/Kconfig"
endif # SAMPLES

2
samples/Makefile
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@ -33,7 +33,7 @@ subdir-$(CONFIG_SAMPLE_VFS) += vfs
obj-$(CONFIG_SAMPLE_INTEL_MEI) += mei/
subdir-$(CONFIG_SAMPLE_WATCHDOG) += watchdog
subdir-$(CONFIG_SAMPLE_WATCH_QUEUE) += watch_queue
obj-$(CONFIG_DEBUG_KMEMLEAK_TEST) += kmemleak/
obj-$(CONFIG_SAMPLE_KMEMLEAK) += kmemleak/
obj-$(CONFIG_SAMPLE_CORESIGHT_SYSCFG) += coresight/
obj-$(CONFIG_SAMPLE_FPROBE) += fprobe/
obj-$(CONFIG_SAMPLES_RUST) += rust/

2
samples/kmemleak/Makefile
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@ -1,3 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-$(CONFIG_DEBUG_KMEMLEAK_TEST) += kmemleak-test.o
obj-$(CONFIG_SAMPLE_KMEMLEAK) += kmemleak-test.o