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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-21 20:01:42 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-21 20:01:42 +0200 |
commit | b91da88fed84843313a1b6fd1b1c834a24bbcf9e (patch) | |
tree | 0c9456266a09f247a875fd3b55073ad42dc7445d /drivers/gpu/drm/nouveau/nv04_mc.c | |
parent | FS-Cache: Fix __fscache_uncache_all_inode_pages()'s outer loop (diff) | |
download | linux-b91da88fed84843313a1b6fd1b1c834a24bbcf9e.tar.xz linux-b91da88fed84843313a1b6fd1b1c834a24bbcf9e.zip |
vfs: drop conditional inode prefetch in __do_lookup_rcu
It seems to hurt performance in real life. Yes, the inode will be used
later, but the conditional doesn't seem to predict all that well
(negative dentries are not uncommon) and it looks like the cost of
prefetching is simply higher than depending on the cache doing the right
thing.
As usual.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_mc.c')
0 files changed, 0 insertions, 0 deletions