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authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>2018-08-17 15:45:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-17 16:20:28 -0700
commitb3a2369692fedcc439dfaa4f215cf5323a886c88 (patch)
tree4ecceb916582f54dddb1699dbef96d4d5162ce6f
parent46c9a946d766fa830a85d6599de5891fe9e717d2 (diff)
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include/linux/page_ext.h: drop definition of unused PAGE_EXT_DEBUG_POISON
After commit bd33ef368135 ("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: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Vinayak Menon <vinmenon@codeaurora.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/page_ext.h11
1 files changed, 0 insertions, 11 deletions
diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
index ca5461efae2f..bbec618a614b 100644
--- a/include/linux/page_ext.h
+++ b/include/linux/page_ext.h
@@ -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)