diff options
| author | Shaohua Li <[email protected]> | 2009-09-22 00:01:19 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2009-09-22 14:17:26 +0000 |
| commit | f52407ce2deac76c87abc8211a63ea152ba72d54 (patch) | |
| tree | 6e3976fae721bd178d68d11750f7ad7f86d8feca /mm/page_cgroup.c | |
| parent | memory hotplug: make pages from movable zone always isolatable (diff) | |
| download | kernel-f52407ce2deac76c87abc8211a63ea152ba72d54.tar.gz kernel-f52407ce2deac76c87abc8211a63ea152ba72d54.zip | |
memory hotplug: alloc page from other node in memory online
To initialize hotadded node, some pages are allocated. At that time, the
node hasn't memory, this makes the allocation always fail. In such case,
let's allocate pages from other nodes.
Signed-off-by: Shaohua Li <[email protected]>
Signed-off-by: Yakui Zhao <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Christoph Lameter <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'mm/page_cgroup.c')
| -rw-r--r-- | mm/page_cgroup.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c index f22b4ebbd8dc..3d535d594826 100644 --- a/mm/page_cgroup.c +++ b/mm/page_cgroup.c @@ -116,10 +116,16 @@ static int __init_refok init_section_page_cgroup(unsigned long pfn) nid = page_to_nid(pfn_to_page(pfn)); table_size = sizeof(struct page_cgroup) * PAGES_PER_SECTION; VM_BUG_ON(!slab_is_available()); - base = kmalloc_node(table_size, + if (node_state(nid, N_HIGH_MEMORY)) { + base = kmalloc_node(table_size, GFP_KERNEL | __GFP_NOWARN, nid); - if (!base) - base = vmalloc_node(table_size, nid); + if (!base) + base = vmalloc_node(table_size, nid); + } else { + base = kmalloc(table_size, GFP_KERNEL | __GFP_NOWARN); + if (!base) + base = vmalloc(table_size); + } } else { /* * We don't have to allocate page_cgroup again, but |