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authorMel Gorman <mgorman@suse.de>2012-07-31 16:44:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-31 18:42:46 -0700
commit381760eadc393bcb1bb328510ad75cf13431806d (patch)
tree4db4e80b82ea78e1b486ebde7feb835a2de5c2ef /drivers/block/nbd.c
parentb4b9e3558508980fc0cd161a545ffb55a1f13ee9 (diff)
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mm: micro-optimise slab to avoid a function call
Getting and putting objects in SLAB currently requires a function call but the bulk of the work is related to PFMEMALLOC reserves which are only consumed when network-backed storage is critical. Use an inline function to determine if the function call is required. Signed-off-by: Mel Gorman <mgorman@suse.de> Cc: David Miller <davem@davemloft.net> Cc: Neil Brown <neilb@suse.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Christie <michaelc@cs.wisc.edu> Cc: Eric B Munson <emunson@mgebm.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Cc: Mel Gorman <mgorman@suse.de> Cc: Christoph Lameter <cl@linux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/block/nbd.c')
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