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authorHugh Dickins <hughd@google.com>2011-05-20 15:47:33 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2011-05-21 15:13:37 -0700
commit10a22931499f4f1f579fb37b1ab0562f3ccfbe0d (patch)
tree6fe3645c2e9118330b549e483afccbb809cbaaad /drivers/nfc
parent23181925de608dea571fb5aba4a34900df54b973 (diff)
downloadlinux-2.6.38-lt-ux500-10a22931499f4f1f579fb37b1ab0562f3ccfbe0d.tar.gz
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>
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