summaryrefslogtreecommitdiff
path: root/arch/parisc/include/asm/pgalloc.h
diff options
context:
space:
mode:
authorAnthony Romano <anthony.romano@coreos.com>2016-06-24 14:48:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-06-24 17:23:52 -0700
commitb9b4bb26af017dbe930cd4df7f9b2fc3a0497bfe (patch)
tree876ddeec4c6f173304dc30a16ecaadca6eca23b8 /arch/parisc/include/asm/pgalloc.h
parenta7b50abc90afb2e3c27e1bd212643cc53eaf0b60 (diff)
downloadlinux-b9b4bb26af017dbe930cd4df7f9b2fc3a0497bfe.tar.gz
tmpfs: don't undo fallocate past its last page
When fallocate is interrupted it will undo a range that extends one byte past its range of allocated pages. This can corrupt an in-use page by zeroing out its first byte. Instead, undo using the inclusive byte range. Fixes: 1635f6a74152f1d ("tmpfs: undo fallocation on failure") Link: http://lkml.kernel.org/r/1462713387-16724-1-git-send-email-anthony.romano@coreos.com Signed-off-by: Anthony Romano <anthony.romano@coreos.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Hugh Dickins <hughd@google.com> Cc: Brandon Philips <brandon@ifup.co> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/parisc/include/asm/pgalloc.h')
0 files changed, 0 insertions, 0 deletions