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| author |   Jan Kara <jack@suse.cz> | 2009-01-26 15:32:46 +0100 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2009-03-26 02:18:35 +0100 |
| commit | c516610cfec5c50f84ff8cc315628548481f4990 (patch) | |
| tree | 82d1a46721528dfd088a3edcfe5761a4d62fac26 /fs/quota/quota_tree.c | |
| parent | quota: Move quota files into separate directory (diff) | |
| download | linux-dev-c516610cfec5c50f84ff8cc315628548481f4990.tar.xz linux-dev-c516610cfec5c50f84ff8cc315628548481f4990.zip | |
quota: Make global quota locks cacheline aligned
Andrew Morton has suggested that three global quota locks can end up in the
same cacheline which can result in bad cacheline ping-pong on SMP machines.
Make locks cacheline aligned so that we avoid this problem (thanks goes to
Andrew for the idea).
Signed-off-by: Jan Kara <jack@suse.cz>
CC: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/quota/quota_tree.c')
0 files changed, 0 insertions, 0 deletions