diff options
| author | Mel Gorman <mgorman@suse.de> | 2014-06-04 16:10:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-04 16:54:08 -0700 |
| commit | 664eeddeef6539247691197c1ac124d4aa872ab6 (patch) | |
| tree | 568fa77ea4d8b525efeec73e398951b6089374f8 /fs/proc_namespace.c | |
| parent | ea5e9539abf1258f23e725cb9cb25aa74efa29eb (diff) | |
mm: page_alloc: use jump labels to avoid checking number_of_cpusets
If cpusets are not in use then we still check a global variable on every
page allocation. Use jump labels to avoid the overhead.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Jan Kara <jack@suse.cz>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Hugh Dickins <hughd@google.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc_namespace.c')
0 files changed, 0 insertions, 0 deletions