From 9858db504caedb2424b9a32744c23f9a81ec1731 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Wed, 11 Oct 2006 01:21:30 -0700
Subject: [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>
---
 mm/page_alloc.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'mm')

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c5caac2c3c5..40db96a655d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -495,15 +495,13 @@ static void __free_pages_ok(struct page *page, unsigned int order)
 	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 @@ static void fastcall free_hot_cold_page(struct page *page, int cold)
 	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);
 
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