diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index a8140a9a65e8..9a5d5590bd39 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -748,7 +748,7 @@ extern struct zone *next_zone(struct zone *zone); #define PAGE_SECTION_MASK (~(PAGES_PER_SECTION-1)) #define SECTION_BLOCKFLAGS_BITS \ - ((SECTION_SIZE_BITS - (MAX_ORDER-1)) * NR_PAGEBLOCK_BITS) + ((1 << (PFN_SECTION_SHIFT - (MAX_ORDER-1))) * NR_PAGEBLOCK_BITS) #if (MAX_ORDER - 1 + PAGE_SHIFT) > SECTION_SIZE_BITS #error Allocator MAX_ORDER exceeds SECTION_SIZE @@ -769,7 +769,9 @@ struct mem_section { * before using it wrong. */ unsigned long section_mem_map; - DECLARE_BITMAP(pageblock_flags, SECTION_BLOCKFLAGS_BITS); + + /* See declaration of similar field in struct zone */ + unsigned long *pageblock_flags; }; #ifdef CONFIG_SPARSEMEM_EXTREME |