summaryrefslogtreecommitdiff
path: root/include/linux/mmzone.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2011-05-26 15:48:30 +0400
committerIngo Molnar <mingo@elte.hu>2011-05-26 15:48:39 +0400
commit1102c660dd35725a11c7ca9365c237f2f42f6b30 (patch)
treecd32d3053b30050182218e0d36b4aed7459c48de /include/linux/mmzone.h
parent6e9101aeec39961308176e0f59e73ac5d37d243a (diff)
parent4db70f73e56961b9bcdfd0c36c62847a18b7dbb5 (diff)
downloadlinux-1102c660dd35725a11c7ca9365c237f2f42f6b30.tar.xz
Merge branch 'linus' into perf/urgent
Merge reason: Linus applied an overlapping commit: 5f2e8e2b0bf0: kernel/watchdog.c: Use proper ANSI C prototypes So merge it in to make sure we can iterate the file without conflicts. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/mmzone.h')
-rw-r--r--include/linux/mmzone.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index e56f835274c9..217bcf6bca77 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -928,9 +928,6 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn)
#define pfn_to_nid(pfn) (0)
#endif
-#define pfn_to_section_nr(pfn) ((pfn) >> PFN_SECTION_SHIFT)
-#define section_nr_to_pfn(sec) ((sec) << PFN_SECTION_SHIFT)
-
#ifdef CONFIG_SPARSEMEM
/*
@@ -956,6 +953,12 @@ static inline unsigned long early_pfn_to_nid(unsigned long pfn)
#error Allocator MAX_ORDER exceeds SECTION_SIZE
#endif
+#define pfn_to_section_nr(pfn) ((pfn) >> PFN_SECTION_SHIFT)
+#define section_nr_to_pfn(sec) ((sec) << PFN_SECTION_SHIFT)
+
+#define SECTION_ALIGN_UP(pfn) (((pfn) + PAGES_PER_SECTION - 1) & PAGE_SECTION_MASK)
+#define SECTION_ALIGN_DOWN(pfn) ((pfn) & PAGE_SECTION_MASK)
+
struct page;
struct page_cgroup;
struct mem_section {