mm/slub.c: wrap cpu_slab->partial in CONFIG_SLUB_CPU_PARTIAL
authorWei Yang <richard.weiyang@gmail.com>
Thu, 6 Jul 2017 22:36:31 +0000 (15:36 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 6 Jul 2017 23:24:30 +0000 (16:24 -0700)
commita93cf07bc3fb4e7bc924d33c387dabc85086ea38
treeed8c028af545abf8743afcff1000758cbd947d28
parentd3111e6cce6001e71ddc4737d0d412c2300043a2
mm/slub.c: wrap cpu_slab->partial in CONFIG_SLUB_CPU_PARTIAL

cpu_slab's field partial is used when CONFIG_SLUB_CPU_PARTIAL is set,
which means we can save a pointer's space on each cpu for every slub
item.

This patch wraps cpu_slab->partial in CONFIG_SLUB_CPU_PARTIAL and wraps
its sysfs use too.

[akpm@linux-foundation.org: avoid strange 80-col tricks]
Link: http://lkml.kernel.org/r/20170502144533.10729-3-richard.weiyang@gmail.com
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/slub_def.h
mm/slub.c