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authorSuleiman Souhlal <suleiman@google.com>2013-04-14 01:03:06 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-14 01:13:55 +0200
commit5b55d708335a9e3e4f61f2dadf7511502205ccd1 (patch)
tree83e4687e7be804ede22f993a901264dddb001018 /fs/ext4/balloc.c
parentkobject: fix kset_find_obj() race with concurrent last kobject_put() (diff)
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vfs: Revert spurious fix to spinning prevention in prune_icache_sb
Revert commit 62a3ddef6181 ("vfs: fix spinning prevention in prune_icache_sb"). This commit doesn't look right: since we are looking at the tail of the list (sb->s_inode_lru.prev) if we want to skip an inode, we should put it back at the head of the list instead of the tail, otherwise we will keep spinning on it. Discovered when investigating why prune_icache_sb came top in perf reports of a swapping load. Signed-off-by: Suleiman Souhlal <suleiman@google.com> Signed-off-by: Hugh Dickins <hughd@google.com> Cc: stable@vger.kernel.org # v3.2+ Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ext4/balloc.c')
0 files changed, 0 insertions, 0 deletions