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(parent: 83d5e5b) | patch
dm: optimize reorder structure
authorMikulas Patocka <mpatocka@redhat.com>
Wed, 10 Jul 2013 22:41:18 +0000 (23:41 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Wed, 10 Jul 2013 22:41:18 +0000 (23:41 +0100)
commit2a7faeb176fb0478bc6a0cb380c658b32179ead0
tree25916d4ccb6887890e5e1d2a18cb1093863d7f32tree | snapshot
parent83d5e5b0af907d46d241a86d9e44003b3f0accbdcommit | diff
dm: optimize reorder structure

This reorder actually improves performance by 20% (from 39.1s to 32.8s)
on x86-64 quad core Opteron.

I have no explanation for this, possibly it makes some other entries are
better cache-aligned.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm.c diff | blob | history
Linux Kernel tree with some unpolished code for Colibri/Apalis modules