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Commit b3a23696 authored by Kirill A. Shutemov's avatar Kirill A. Shutemov Committed by Linus Torvalds
Browse files

include/linux/page_ext.h: drop definition of unused PAGE_EXT_DEBUG_POISON 

After commit bd33ef36 ("mm: enable page poisoning early at boot")
PAGE_EXT_DEBUG_POISON is not longer used.  Remove it.

Link: http://lkml.kernel.org/r/20180531135457.20167-2-kirill.shutemov@linux.intel.com


Signed-off-by: default avatarKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reviewed-by: default avatarVinayak Menon <vinmenon@codeaurora.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 46c9a946

include/linux/page_ext.h

+0 −11
Original line number Diff line number Diff line
@@ -16,18 +16,7 @@ struct page_ext_operations { 


#ifdef CONFIG_PAGE_EXTENSION



/*

 * page_ext->flags bits:

 *

 * PAGE_EXT_DEBUG_POISON is set for poisoned pages. This is used to

 * implement generic debug pagealloc feature. The pages are filled with

 * poison patterns and set this flag after free_pages(). The poisoned

 * pages are verified whether the patterns are not corrupted and clear

 * the flag before alloc_pages().

 */



enum page_ext_flags {

	PAGE_EXT_DEBUG_POISON,		/* Page is poisoned */

	PAGE_EXT_DEBUG_GUARD,

	PAGE_EXT_OWNER,

#if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT)