Dan Williams bfb34527a3 libnvdimm, pfn: fix memmap reservation size versus 4K alignment ...

When vmemmap_populate() allocates space for the memmap it does so in 2MB
sized chunks. The libnvdimm-pfn driver incorrectly accounts for this
when the alignment of the device is set to 4K. When this happens we
trigger memory allocation failures in altmap_alloc_block_buf() and
trigger warnings of the form:

 WARNING: CPU: 0 PID: 3376 at arch/x86/mm/init_64.c:656 arch_add_memory+0xe4/0xf0
 [..]
 Call Trace:
  dump_stack+0x86/0xc3
  __warn+0xcb/0xf0
  warn_slowpath_null+0x1d/0x20
  arch_add_memory+0xe4/0xf0
  devm_memremap_pages+0x29b/0x4e0

Fixes: 315c562536c4 ("libnvdimm, pfn: add 'align' attribute, default to HPAGE_SIZE")
Cc: <stable@vger.kernel.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

2017-02-04 14:47:31 -08:00

..

blk.c

libnvdimm for 4.8

2016-07-28 17:38:16 -07:00

btt_devs.c

nvdimm, btt: add a size attribute for BTTs

2016-08-08 09:26:14 -07:00

btt.c

nvdimm, btt: add a size attribute for BTTs

2016-08-08 09:26:14 -07:00

btt.h

libnvdimm, btt: consolidate arena validation

2015-08-14 13:43:04 -04:00

bus.c

acpi, nfit, libnvdimm: fix / harden ars_status output length handling

2016-12-06 16:08:10 -08:00

claim.c

libnvdimm: fix mishandled nvdimm_clear_poison() return value

2016-12-16 08:10:31 -08:00

core.c

libnvdimm: use generic iostat interfaces

2016-10-19 08:53:26 -07:00

dax_devs.c

libnvdimm, dax: autodetect support

2016-05-20 22:02:57 -07:00

dimm_devs.c

libnvdimm: allow a platform to force enable label support

2016-10-19 08:57:33 -07:00

dimm.c

libnvdimm: allow a platform to force enable label support

2016-10-19 08:57:33 -07:00

e820.c

libnvdimm, e820: use module_platform_driver

2016-12-05 08:52:21 -08:00

Kconfig

Linux 4.9-rc4

2016-11-18 16:13:41 -07:00

label.c

nvdimm: use the right length of "pmem"

2016-11-11 20:37:42 -08:00

label.h

libnvdimm: write blk label set

2015-06-24 21:24:10 -04:00

Makefile

libnvdimm, dax: introduce device-dax infrastructure

2016-05-09 15:35:42 -07:00

namespace_devs.c

libnvdimm, namespace: do not delete namespace-id 0

2017-01-31 18:18:21 -08:00

nd-core.h

libnvdimm, namespace: allow creation of multiple pmem-namespaces per region

2016-10-07 09:22:53 -07:00

nd.h

libnvdimm: allow a platform to force enable label support

2016-10-19 08:57:33 -07:00

pfn_devs.c

libnvdimm, pfn: fix memmap reservation size versus 4K alignment

2017-02-04 14:47:31 -08:00

pfn.h

libnvdimm, dax: autodetect support

2016-05-20 22:02:57 -07:00

pmem.c

pmem: return EIO on read_pmem() failure

2017-01-12 16:40:29 -08:00

pmem.h

pmem: kill __pmem address space

2016-07-12 19:25:38 -07:00

region_devs.c

libnvdimm: replace mutex_is_locked() warnings with lockdep_assert_held

2016-12-15 20:04:31 -08:00

region.c

libnvdimm: keep region data alive over namespace removal

2016-07-11 16:13:41 -07:00