The patch titled
Subject: mm: remove put_page_unless_one()
has been added to the -mm tree. Its filename is
mm-rip-put_page_unless_one-as-it-has-no-callers.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-rip-put_page_unless_one-as-it-has-no-callers.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-rip-put_page_unless_one-as-it-has-no-callers.patch
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The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Vineet Gupta <Vineet.Gupta1@xxxxxxxxxxxx>
Subject: mm: remove put_page_unless_one()
It has no callers.
Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 12 ------------
1 file changed, 12 deletions(-)
diff -puN include/linux/mm.h~mm-rip-put_page_unless_one-as-it-has-no-callers include/linux/mm.h
--- a/include/linux/mm.h~mm-rip-put_page_unless_one-as-it-has-no-callers
+++ a/include/linux/mm.h
@@ -362,18 +362,6 @@ static inline int get_page_unless_zero(s
return atomic_inc_not_zero(&page->_count);
}
-/*
- * Try to drop a ref unless the page has a refcount of one, return false if
- * that is the case.
- * This is to make sure that the refcount won't become zero after this drop.
- * This can be called when MMU is off so it must not access
- * any of the virtual mappings.
- */
-static inline int put_page_unless_one(struct page *page)
-{
- return atomic_add_unless(&page->_count, -1, 1);
-}
-
extern int page_is_ram(unsigned long pfn);
extern int region_is_ram(resource_size_t phys_addr, unsigned long size);
_
Patches currently in -mm which might be from Vineet.Gupta1@xxxxxxxxxxxx are
mm-rip-put_page_unless_one-as-it-has-no-callers.patch
linux-next.patch
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