diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index a45d1f0691c..acc0fb3cf06 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -66,7 +66,7 @@ static void enqueue_huge_page(struct page *page) static struct page *dequeue_huge_page(struct vm_area_struct *vma, unsigned long address) { - int nid = numa_node_id(); + int nid; struct page *page = NULL; struct zonelist *zonelist = huge_zonelist(vma, address); struct zone **z; @@ -101,13 +101,20 @@ static void free_huge_page(struct page *page) static int alloc_fresh_huge_page(void) { - static int nid = 0; + static int prev_nid; struct page *page; - page = alloc_pages_node(nid, GFP_HIGHUSER|__GFP_COMP|__GFP_NOWARN, - HUGETLB_PAGE_ORDER); - nid = next_node(nid, node_online_map); + static DEFINE_SPINLOCK(nid_lock); + int nid; + + spin_lock(&nid_lock); + nid = next_node(prev_nid, node_online_map); if (nid == MAX_NUMNODES) nid = first_node(node_online_map); + prev_nid = nid; + spin_unlock(&nid_lock); + + page = alloc_pages_node(nid, GFP_HIGHUSER|__GFP_COMP|__GFP_NOWARN, + HUGETLB_PAGE_ORDER); if (page) { set_compound_page_dtor(page, free_huge_page); spin_lock(&hugetlb_lock); |