[PATCH] mm: locks_freed fix
Move the lock debug checks below the page reserved checks. Also, having
debug_check_no_locks_freed in kernel_map_pages is wrong.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c5caac2..40db96a 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -495,15 +495,13 @@
int i;
int reserved = 0;
- if (!PageHighMem(page))
- debug_check_no_locks_freed(page_address(page),
- PAGE_SIZE<<order);
-
for (i = 0 ; i < (1 << order) ; ++i)
reserved += free_pages_check(page + i);
if (reserved)
return;
+ if (!PageHighMem(page))
+ debug_check_no_locks_freed(page_address(page),PAGE_SIZE<<order);
arch_free_page(page, order);
kernel_map_pages(page, 1 << order, 0);
@@ -787,6 +785,8 @@
if (free_pages_check(page))
return;
+ if (!PageHighMem(page))
+ debug_check_no_locks_freed(page_address(page), PAGE_SIZE);
arch_free_page(page, 0);
kernel_map_pages(page, 1, 0);