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| author | Mel Gorman <mgorman@suse.de> | 2014-06-04 16:10:17 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-29 17:40:51 -0800 |
| commit | 722191a52ad6b1c89ab89f98114f5d88c5578bfe (patch) | |
| tree | 2600f439eecd2b4327185c376136642fc51a9225 /mm/util.c | |
| parent | 89712aa0964866059f13be8f771fbd7df1766776 (diff) | |
| download | lwn-722191a52ad6b1c89ab89f98114f5d88c5578bfe.tar.gz lwn-722191a52ad6b1c89ab89f98114f5d88c5578bfe.zip | |
mm: page_alloc: reduce number of times page_to_pfn is called
commit dc4b0caff24d9b2918e9f27bc65499ee63187eba upstream.
In the free path we calculate page_to_pfn multiple times. Reduce that.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: 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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/util.c')
0 files changed, 0 insertions, 0 deletions