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[PATCH] remove set_page_count() outside mm/

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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>
This commit is contained in:
Nick Piggin 2006-03-22 00:08:40 -08:00 • committed by Linus Torvalds
parent 70dc991d66
commit 7835e98b2e
40 changed files with 96 additions and 79 deletions
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4
arch/sparc64/mm/init.c
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@ -1461,7 +1461,7 @@ void free_initmem(void)
p = virt_to_page(page);
ClearPageReserved(p);
set_page_count(p, 1);
init_page_count(p);
__free_page(p);
num_physpages++;
totalram_pages++;
@ -1477,7 +1477,7 @@ 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++;
totalram_pages++;