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authorDavid Chinner <dgc@sgi.com>2008-04-10 12:18:54 +1000
committerLachlan McIlroy <lachlan@redback.melbourne.sgi.com>2008-04-18 11:50:53 +1000
commit4679b2d36d53ed508c956337972fbbea8db99a77 (patch)
treea9b0449c2b0566bb8e8398ff6644def57f7455e3 /drivers/misc/acer-wmi.c
parenteb01c9cd87c7a9998c2edf209721ea069e3e3652 (diff)
[XFS] Reorganise xlog_t for better cacheline isolation of contention
To reduce contention on the log in large CPU count, separate out different parts of the xlog_t structure onto different cachelines. Move each lock onto a different cacheline along with all the members that are accessed/modified while that lock is held. Also, move the debugging code into debug code. SGI-PV: 978729 SGI-Modid: xfs-linux-melb:xfs-kern:30772a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'drivers/misc/acer-wmi.c')
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