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author | Chintan Pandya <cpandya@codeaurora.org> | 2018-06-07 17:06:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-06-07 17:34:35 -0700 |
commit | 05e3ff9505858a39dc696ca195b5d79e524aac03 (patch) | |
tree | cf70546db807b048229b4f1e9bc06ac127f85dc3 /mm/shmem.c | |
parent | f3c01d2f3ade6790db67f80fef60df84424f8964 (diff) | |
download | lwn-05e3ff9505858a39dc696ca195b5d79e524aac03.tar.gz lwn-05e3ff9505858a39dc696ca195b5d79e524aac03.zip |
mm: vmalloc: pass proper vm_start into debugobjects
Client can call vunmap with some intermediate 'addr' which may not be
the start of the VM area. Entire unmap code works with vm->vm_start
which is proper but debug object API is called with 'addr'. This could
be a problem within debug objects.
Pass proper start address into debug object API.
[akpm@linux-foundation.org: fix warning]
Link: http://lkml.kernel.org/r/1523961828-9485-3-git-send-email-cpandya@codeaurora.org
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Byungchul Park <byungchul.park@lge.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wei Yang <richard.weiyang@gmail.com>
Cc: Yisheng Xie <xieyisheng1@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/shmem.c')
0 files changed, 0 insertions, 0 deletions