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 it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Subject: mm: provide debug_pagealloc_enabled() without CONFIG_DEBUG_PAGEALLOC
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>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff -puN include/linux/mm.h~mm-provide-debug_pagealloc_enabled-without-config_debug_pagealloc include/linux/mm.h
--- a/include/linux/mm.h~mm-provide-debug_pagealloc_enabled-without-config_debug_pagealloc
+++ a/include/linux/mm.h
@@ -2206,13 +2206,18 @@ kernel_map_pages(struct page *page, int
#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);
_
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
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