| commit | 10a22931499f4f1f579fb37b1ab0562f3ccfbe0d | |
| author | Hugh Dickins <hughd@google.com> | |
| Fri, 20 May 2011 22:47:33 +0000 (20 15:47 -0700) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Sat, 21 May 2011 22:13:37 +0000 (21 15:13 -0700) | ||
| tree | 6fe3645c2e9118330b549e483afccbb809cbaaad | treesnapshot (tar.gz zip) |
| parent | 23181925de608dea571fb5aba4a34900df54b973 | commitdiff |
tmpfs: fix highmem swapoff crash regression
commit e6c9366b2adb52cba64b359b3050200743c7568c upstream.
Commit 778dd893ae78 ("tmpfs: fix race between umount and swapoff")
forgot the new rules for strict atomic kmap nesting, causing
WARNING: at arch/x86/mm/highmem_32.c:81
from __kunmap_atomic(), then
BUG: unable to handle kernel paging request at fffb9000
from shmem_swp_set() when shmem_unuse_inode() is handling swapoff with
highmem in use. My disgrace again.
See
https://bugzilla.kernel.org/show_bug.cgi?id=35352
Reported-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
commit e6c9366b2adb52cba64b359b3050200743c7568c upstream.
Commit 778dd893ae78 ("tmpfs: fix race between umount and swapoff")
forgot the new rules for strict atomic kmap nesting, causing
WARNING: at arch/x86/mm/highmem_32.c:81
from __kunmap_atomic(), then
BUG: unable to handle kernel paging request at fffb9000
from shmem_swp_set() when shmem_unuse_inode() is handling swapoff with
highmem in use. My disgrace again.
See
https://bugzilla.kernel.org/show_bug.cgi?id=35352
Reported-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| mm/shmem.c | diffblobblamehistory |