| commit | c516610cfec5c50f84ff8cc315628548481f4990 | [log] [tgz] |
|---|---|---|
| author | Jan Kara <jack@suse.cz> | Mon Jan 26 15:32:46 2009 +0100 |
| committer | Jan Kara <jack@suse.cz> | Thu Mar 26 02:18:35 2009 +0100 |
| tree | 82d1a46721528dfd088a3edcfe5761a4d62fac26 | |
| parent | 884d179dff3aa98a73c3ba9dee05fd6050d664f0 [diff] |
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>