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authorNick Piggin <npiggin@suse.de>2006-10-11 01:21:30 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-11 11:14:19 -0700
commitdafb13673c463bc2aade4a4819704dde0f5fa37f (patch)
tree4944daaa4ca8e9d988e4357ae902fda6ea531d28 /mm
parent699397499742d1245ea5d677a08fa265df666d2d (diff)
downloadlinux-2.6.34-ux500-dafb13673c463bc2aade4a4819704dde0f5fa37f.tar.gz
[PATCH] mm: arch_free_page fix
After the PG_reserved check was added, arch_free_page was being called in the wrong place (it could be called for a page we don't actually want to free). Fix that. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/page_alloc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8246e834b2f..c5caac2c3c5 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -495,7 +495,6 @@ static void __free_pages_ok(struct page *page, unsigned int order)
int i;
int reserved = 0;
- arch_free_page(page, order);
if (!PageHighMem(page))
debug_check_no_locks_freed(page_address(page),
PAGE_SIZE<<order);
@@ -505,7 +504,9 @@ static void __free_pages_ok(struct page *page, unsigned int order)
if (reserved)
return;
+ arch_free_page(page, order);
kernel_map_pages(page, 1 << order, 0);
+
local_irq_save(flags);
__count_vm_events(PGFREE, 1 << order);
free_one_page(page_zone(page), page, order);
@@ -781,13 +782,12 @@ static void fastcall free_hot_cold_page(struct page *page, int cold)
struct per_cpu_pages *pcp;
unsigned long flags;
- arch_free_page(page, 0);
-
if (PageAnon(page))
page->mapping = NULL;
if (free_pages_check(page))
return;
+ arch_free_page(page, 0);
kernel_map_pages(page, 1, 0);
pcp = &zone_pcp(zone, get_cpu())->pcp[cold];