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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-16 18:26:38 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-11-16 18:26:38 -0500 |
commit | 0cad3ff40486e341715cac3b5ef7b135fa0ba316 (patch) | |
tree | 937b8c6fc8b28f6e556212c9deee726799f1f783 /mm/page_alloc.c | |
parent | 1d567e19cc9810a9bd67b1ccab54b68d86dadb76 (diff) | |
parent | 5576646f3c1abd60d72d19829de6f5d8c2ca8ecf (diff) |
Merge branch 'akpm' (Fixes from Andrew)
Merge misc fixes from Andrew Morton.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (12 patches)
revert "mm: fix-up zone present pages"
tmpfs: change final i_blocks BUG to WARNING
tmpfs: fix shmem_getpage_gfp() VM_BUG_ON
mm: highmem: don't treat PKMAP_ADDR(LAST_PKMAP) as a highmem address
mm: revert "mm: vmscan: scale number of pages reclaimed by reclaim/compaction based on failures"
rapidio: fix kernel-doc warnings
swapfile: fix name leak in swapoff
memcg: fix hotplugged memory zone oops
mips, arc: fix build failure
memcg: oom: fix totalpages calculation for memory.swappiness==0
mm: fix build warning for uninitialized value
mm: add anon_vma_lock to validate_mm()
Diffstat (limited to 'mm/page_alloc.c')
-rw-r--r-- | mm/page_alloc.c | 36 |
1 files changed, 1 insertions, 35 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5b74de6702e0..7bb35ac0964a 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c | |||
@@ -4505,7 +4505,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, | |||
4505 | zone->zone_pgdat = pgdat; | 4505 | zone->zone_pgdat = pgdat; |
4506 | 4506 | ||
4507 | zone_pcp_init(zone); | 4507 | zone_pcp_init(zone); |
4508 | lruvec_init(&zone->lruvec, zone); | 4508 | lruvec_init(&zone->lruvec); |
4509 | if (!size) | 4509 | if (!size) |
4510 | continue; | 4510 | continue; |
4511 | 4511 | ||
@@ -6098,37 +6098,3 @@ void dump_page(struct page *page) | |||
6098 | dump_page_flags(page->flags); | 6098 | dump_page_flags(page->flags); |
6099 | mem_cgroup_print_bad_page(page); | 6099 | mem_cgroup_print_bad_page(page); |
6100 | } | 6100 | } |
6101 | |||
6102 | /* reset zone->present_pages */ | ||
6103 | void reset_zone_present_pages(void) | ||
6104 | { | ||
6105 | struct zone *z; | ||
6106 | int i, nid; | ||
6107 | |||
6108 | for_each_node_state(nid, N_HIGH_MEMORY) { | ||
6109 | for (i = 0; i < MAX_NR_ZONES; i++) { | ||
6110 | z = NODE_DATA(nid)->node_zones + i; | ||
6111 | z->present_pages = 0; | ||
6112 | } | ||
6113 | } | ||
6114 | } | ||
6115 | |||
6116 | /* calculate zone's present pages in buddy system */ | ||
6117 | void fixup_zone_present_pages(int nid, unsigned long start_pfn, | ||
6118 | unsigned long end_pfn) | ||
6119 | { | ||
6120 | struct zone *z; | ||
6121 | unsigned long zone_start_pfn, zone_end_pfn; | ||
6122 | int i; | ||
6123 | |||
6124 | for (i = 0; i < MAX_NR_ZONES; i++) { | ||
6125 | z = NODE_DATA(nid)->node_zones + i; | ||
6126 | zone_start_pfn = z->zone_start_pfn; | ||
6127 | zone_end_pfn = zone_start_pfn + z->spanned_pages; | ||
6128 | |||
6129 | /* if the two regions intersect */ | ||
6130 | if (!(zone_start_pfn >= end_pfn || zone_end_pfn <= start_pfn)) | ||
6131 | z->present_pages += min(end_pfn, zone_end_pfn) - | ||
6132 | max(start_pfn, zone_start_pfn); | ||
6133 | } | ||
6134 | } | ||