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| author | Mel Gorman <mgorman@techsingularity.net> | 2016-05-19 17:14:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-05-19 19:12:14 -0700 |
| commit | 93ea9964d14ad583492ffb9ab7543f015876aaf2 (patch) | |
| tree | 1225c8ae0c5d85b40e386d860abcd24f44664633 /mm/internal.h | |
| parent | c33d6c06f60f710f0305ae792773e1c2560e1e51 (diff) | |
| download | linux-93ea9964d14ad583492ffb9ab7543f015876aaf2.tar.gz linux-93ea9964d14ad583492ffb9ab7543f015876aaf2.tar.bz2 linux-93ea9964d14ad583492ffb9ab7543f015876aaf2.zip | |
mm, page_alloc: remove field from alloc_context
The classzone_idx can be inferred from preferred_zoneref so remove the
unnecessary field and save stack space.
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/internal.h b/mm/internal.h index d1ddd71c1bbf..3ac544f1963f 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -103,12 +103,13 @@ struct alloc_context { struct zonelist *zonelist; nodemask_t *nodemask; struct zoneref *preferred_zoneref; - int classzone_idx; int migratetype; enum zone_type high_zoneidx; bool spread_dirty_pages; }; +#define ac_classzone_idx(ac) zonelist_zone_idx(ac->preferred_zoneref) + /* * Locate the struct page for both the matching buddy in our * pair (buddy1) and the combined O(n+1) page they form (page). |