[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>
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Linus Torvalds
parent
70dc991d66
commit
7835e98b2e
@@ -118,7 +118,7 @@ unsigned long __init prom_free_prom_memory(void)
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addr = PAGE_SIZE;
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while (addr < end) {
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ClearPageReserved(virt_to_page(__va(addr)));
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set_page_count(virt_to_page(__va(addr)), 1);
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init_page_count(virt_to_page(__va(addr)));
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free_page((unsigned long)__va(addr));
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addr += PAGE_SIZE;
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}
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