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authorPaul Mackerras <paulus@samba.org>2006-06-01 19:05:23 +1000
committerPaul Mackerras <paulus@samba.org>2006-06-01 19:05:23 +1000
commitc029cc66cb3d83f70c02e0c182f0eed1419f8020 (patch)
treeb9ed887a0e6434fedebcbf90b3d2ba1aeff68a01 /mm/page_alloc.c
parent0a9cb46a73abd6c45e7c986bec984eed60c417b6 (diff)
parentba8f5baba79da8eb502f8534c3a8ecb64aceb790 (diff)
downloadop-kernel-dev-c029cc66cb3d83f70c02e0c182f0eed1419f8020.zip
op-kernel-dev-c029cc66cb3d83f70c02e0c182f0eed1419f8020.tar.gz
Merge branch 'merge'
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r--mm/page_alloc.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 813b4ec..253a450 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -951,7 +951,7 @@ restart:
goto got_pg;
do {
- if (cpuset_zone_allowed(*z, gfp_mask))
+ if (cpuset_zone_allowed(*z, gfp_mask|__GFP_HARDWALL))
wakeup_kswapd(*z, order);
} while (*(++z));
@@ -970,7 +970,8 @@ restart:
alloc_flags |= ALLOC_HARDER;
if (gfp_mask & __GFP_HIGH)
alloc_flags |= ALLOC_HIGH;
- alloc_flags |= ALLOC_CPUSET;
+ if (wait)
+ alloc_flags |= ALLOC_CPUSET;
/*
* Go through the zonelist again. Let __GFP_HIGH and allocations
@@ -2124,14 +2125,22 @@ static void __init alloc_node_mem_map(struct pglist_data *pgdat)
#ifdef CONFIG_FLAT_NODE_MEM_MAP
/* ia64 gets its own node_mem_map, before this, without bootmem */
if (!pgdat->node_mem_map) {
- unsigned long size;
+ unsigned long size, start, end;
struct page *map;
- size = (pgdat->node_spanned_pages + 1) * sizeof(struct page);
+ /*
+ * The zone's endpoints aren't required to be MAX_ORDER
+ * aligned but the node_mem_map endpoints must be in order
+ * for the buddy allocator to function correctly.
+ */
+ start = pgdat->node_start_pfn & ~(MAX_ORDER_NR_PAGES - 1);
+ end = pgdat->node_start_pfn + pgdat->node_spanned_pages;
+ end = ALIGN(end, MAX_ORDER_NR_PAGES);
+ size = (end - start) * sizeof(struct page);
map = alloc_remap(pgdat->node_id, size);
if (!map)
map = alloc_bootmem_node(pgdat, size);
- pgdat->node_mem_map = map;
+ pgdat->node_mem_map = map + (pgdat->node_start_pfn - start);
}
#ifdef CONFIG_FLATMEM
/*
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