The patch titled
Subject: mm: provide debug_pagealloc_enabled() without CONFIG_DEBUG_PAGEALLOC
has been removed from the -mm tree. Its filename was
mm-provide-debug_pagealloc_enabled-without-config_debug_pagealloc.patch
This patch was dropped because an updated version will be merged
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From: Christian Borntraeger <borntraeger@xxxxxxxxxx>
To: akpm@xxxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx,
linux-arch@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx,
linuxppc-dev@xxxxxxxxxxxxxxxx, davem@xxxxxxxxxxxxx,
Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>, davej@xxxxxxxxxxxxxxxxx,
Christian Borntraeger <borntraeger@xxxxxxxxxx>
Subject: mm: provide debug_pagealloc_enabled() without CONFIG_DEBUG_PAGEALLOC
Date: Wed, 27 Jan 2016 11:09:59 +0100
Message-Id: <1453889401-43496-2-git-send-email-borntraeger@xxxxxxxxxx>
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We can provide debug_pagealloc_enabled() also if CONFIG_DEBUG_PAGEALLOC
is not set. It will return false in that case.
Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
include/linux/mm.h | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/include/linux/mm.h b/include/linux/mm.h
index f1cd22f..ae84716 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2194,13 +2194,18 @@ kernel_map_pages(struct page *page, int numpages, int enable)
#ifdef CONFIG_HIBERNATION
extern bool kernel_page_present(struct page *page);
#endif /* CONFIG_HIBERNATION */
-#else
+#else /* CONFIG_DEBUG_PAGEALLOC */
+static inline bool debug_pagealloc_enabled(void)
+{
+ return false;
+}
+
static inline void
kernel_map_pages(struct page *page, int numpages, int enable) {}
#ifdef CONFIG_HIBERNATION
static inline bool kernel_page_present(struct page *page) { return true; }
#endif /* CONFIG_HIBERNATION */
-#endif
+#endif /* CONFIG_DEBUG_PAGEALLOC */
#ifdef __HAVE_ARCH_GATE_AREA
extern struct vm_area_struct *get_gate_vma(struct mm_struct *mm);
--
2.3.0
Patches currently in -mm which might be from borntraeger@xxxxxxxxxx are
mm-debug_pagealloc-ask-users-for-default-setting-of-debug_pagealloc.patch
mm-debug_pagealloc-ask-users-for-default-setting-of-debug_pagealloc-v3.patch
x86-query-dynamic-debug_pagealloc-setting.patch
s390-query-dynamic-debug_pagealloc-setting.patch
--
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