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authorLinus Torvalds <torvalds@linux-foundation.org>2016-01-17 18:33:15 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-17 18:33:15 -0800
commit25eedabe019851bc513abd601ed514df524cb482 (patch)
tree924e8cfcb1516b29468696b7384a1a9195806bbb /init
parentc671e1e30259da587d7a0162895200601979ee65 (diff)
downloadlinux-stericsson-25eedabe019851bc513abd601ed514df524cb482.tar.gz
vm: fix incorrect unlock error path in madvise_free_huge_pmd
Commit b8d3c4c3009d ("mm/huge_memory.c: don't split THP page when MADV_FREE syscall is called") introduced this new function, but got the error handling for when pmd_trans_huge_lock() fails wrong. In the failure case, the lock has not been taken, and we should not unlock on the way out. Cc: Minchan Kim <minchan@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'init')
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