[PATCH] remove set_page_count() outside mm/

set_page_count usage outside mm/ is limited to setting the refcount to 1.
Remove set_page_count from outside mm/, and replace those users with
init_page_count() and set_page_refcounted().

This allows more debug checking, and tighter control on how code is allowed
to play around with page->_count.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c
index c03babaa0498..898669732466 100644
--- a/arch/sparc/mm/init.c
+++ b/arch/sparc/mm/init.c
@@ -383,7 +383,7 @@ void map_high_region(unsigned long start_pfn, unsigned long end_pfn)
                 struct page *page = pfn_to_page(tmp);
 
                 ClearPageReserved(page);
-                set_page_count(page, 1);
+                init_page_count(page);
                 __free_page(page);
                 totalhigh_pages++;
         }
@@ -480,7 +480,7 @@ void free_initmem (void)
                 p = virt_to_page(addr);
 
                 ClearPageReserved(p);
-                set_page_count(p, 1);
+                init_page_count(p);
                 __free_page(p);
                 totalram_pages++;
                 num_physpages++;
@@ -497,7 +497,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
                 struct page *p = virt_to_page(start);
 
                 ClearPageReserved(p);
-                set_page_count(p, 1);
+                init_page_count(p);
                 __free_page(p);
                 num_physpages++;
         }