Commit 1192d526 authored by Christoph Lameter's avatar Christoph Lameter Committed by Linus Torvalds
Browse files

[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: default avatarChristoph Lameter <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent bd1b1677
......@@ -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))
if ((alloc_flags & ALLOC_CPUSET) &&
!cpuset_zone_allowed(*z, gfp_mask))
!cpuset_zone_allowed(zone, gfp_mask))
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;
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))
page = buffered_rmqueue(zonelist, *z, order, gfp_mask);
page = buffered_rmqueue(zonelist, zone, order, gfp_mask);
if (page) {
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment