diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index e93bd63..eb40556 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -11,6 +11,8 @@ #include <linux/highmem.h> #include <linux/nodemask.h> #include <linux/pagemap.h> +#include <linux/mempolicy.h> + #include <asm/page.h> #include <asm/pgtable.h> @@ -36,11 +38,12 @@ static void enqueue_huge_page(struct page *page) free_huge_pages_node[nid]++; } -static struct page *dequeue_huge_page(void) +static struct page *dequeue_huge_page(struct vm_area_struct *vma, + unsigned long address) { int nid = numa_node_id(); struct page *page = NULL; - struct zonelist *zonelist = NODE_DATA(nid)->node_zonelists; + struct zonelist *zonelist = huge_zonelist(vma, address); struct zone **z; for (z = zonelist->zones; *z; z++) { @@ -87,13 +90,13 @@ void free_huge_page(struct page *page) spin_unlock(&hugetlb_lock); } -struct page *alloc_huge_page(void) +struct page *alloc_huge_page(struct vm_area_struct *vma, unsigned long addr) { struct page *page; int i; spin_lock(&hugetlb_lock); - page = dequeue_huge_page(); + page = dequeue_huge_page(vma, addr); if (!page) { spin_unlock(&hugetlb_lock); return NULL; @@ -196,7 +199,7 @@ static unsigned long set_max_huge_pages(unsigned long count) spin_lock(&hugetlb_lock); try_to_free_low(count); while (count < nr_huge_pages) { - struct page *page = dequeue_huge_page(); + struct page *page = dequeue_huge_page(NULL, 0); if (!page) break; update_and_free_page(page); @@ -365,8 +368,9 @@ void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start, flush_tlb_range(vma, start, end); } -static struct page *find_or_alloc_huge_page(struct address_space *mapping, - unsigned long idx, int shared) +static struct page *find_or_alloc_huge_page(struct vm_area_struct *vma, + unsigned long addr, struct address_space *mapping, + unsigned long idx, int shared) { struct page *page; int err; @@ -378,7 +382,7 @@ retry: if (hugetlb_get_quota(mapping)) goto out; - page = alloc_huge_page(); + page = alloc_huge_page(vma, addr); if (!page) { hugetlb_put_quota(mapping); goto out; @@ -418,7 +422,7 @@ static int hugetlb_cow(struct mm_struct *mm, struct vm_area_struct *vma, } page_cache_get(old_page); - new_page = alloc_huge_page(); + new_page = alloc_huge_page(vma, address); if (!new_page) { page_cache_release(old_page); @@ -467,7 +471,7 @@ int hugetlb_no_page(struct mm_struct *mm, struct vm_area_struct *vma, * Use page lock to guard against racing truncation * before we get page_table_lock. */ - page = find_or_alloc_huge_page(mapping, idx, + page = find_or_alloc_huge_page(vma, address, mapping, idx, vma->vm_flags & VM_SHARED); if (!page) goto out; |
