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| author | Christoph Lameter <clameter@sgi.com> | 2006-09-25 23:31:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-09-26 08:48:50 -0700 |
| commit | 1192d526412b1b8ccb1493064cea06efc12c772b (patch) | |
| tree | 8caa9e73ae1ead8d057ca6d273ed091c324e9ef9 | |
| parent | bd1b1677b5d4f39deda068bf5cc43ce3aaec839f (diff) | |
| download | op-kernel-dev-1192d526412b1b8ccb1493064cea06efc12c772b.zip op-kernel-dev-1192d526412b1b8ccb1493064cea06efc12c772b.tar.gz | |
[PATCH] Cleanup: Add zone pointer to get_page_from_freelist
There are frequent references to *z in get_page_from_freelist.
Add an explicit zone variable that can be used in all these places.
Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | mm/page_alloc.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index ea498788..e8a7165 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -887,35 +887,37 @@ get_page_from_freelist(gfp_t gfp_mask, unsigned int order, struct zone **z = zonelist->zones; struct page *page = NULL; int classzone_idx = zone_idx(*z); + struct zone *zone; /* * Go through the zonelist once, looking for a zone with enough free. * See also cpuset_zone_allowed() comment in kernel/cpuset.c. */ do { + zone = *z; if (unlikely((gfp_mask & __GFP_THISNODE) && - (*z)->zone_pgdat != zonelist->zones[0]->zone_pgdat)) + zone->zone_pgdat != zonelist->zones[0]->zone_pgdat)) break; if ((alloc_flags & ALLOC_CPUSET) && - !cpuset_zone_allowed(*z, gfp_mask)) + !cpuset_zone_allowed(zone, gfp_mask)) continue; if (!(alloc_flags & ALLOC_NO_WATERMARKS)) { unsigned long mark; if (alloc_flags & ALLOC_WMARK_MIN) - mark = (*z)->pages_min; + mark = zone->pages_min; else if (alloc_flags & ALLOC_WMARK_LOW) - mark = (*z)->pages_low; + mark = zone->pages_low; else - mark = (*z)->pages_high; - if (!zone_watermark_ok(*z, order, mark, + mark = zone->pages_high; + if (!zone_watermark_ok(zone , order, mark, classzone_idx, alloc_flags)) if (!zone_reclaim_mode || - !zone_reclaim(*z, gfp_mask, order)) + !zone_reclaim(zone, gfp_mask, order)) continue; } - page = buffered_rmqueue(zonelist, *z, order, gfp_mask); + page = buffered_rmqueue(zonelist, zone, order, gfp_mask); if (page) { break; } |
