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| /openbmc/linux/fs/quota/ |
| H A D | dquot.c | c516610c Mon Jan 26 08:32:46 CST 2009 Jan Kara <jack@suse.cz> 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>
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