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Diffstat (limited to 'mm/vmalloc.c')
-rw-r--r--mm/vmalloc.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 8698c1c86c4d..a47e3894c775 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1671,7 +1671,10 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
1671 struct page **pages; 1671 struct page **pages;
1672 unsigned int nr_pages, array_size, i; 1672 unsigned int nr_pages, array_size, i;
1673 const gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO; 1673 const gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO;
1674 const gfp_t alloc_mask = gfp_mask | __GFP_HIGHMEM | __GFP_NOWARN; 1674 const gfp_t alloc_mask = gfp_mask | __GFP_NOWARN;
1675 const gfp_t highmem_mask = (gfp_mask & (GFP_DMA | GFP_DMA32)) ?
1676 0 :
1677 __GFP_HIGHMEM;
1675 1678
1676 nr_pages = get_vm_area_size(area) >> PAGE_SHIFT; 1679 nr_pages = get_vm_area_size(area) >> PAGE_SHIFT;
1677 array_size = (nr_pages * sizeof(struct page *)); 1680 array_size = (nr_pages * sizeof(struct page *));
@@ -1679,7 +1682,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
1679 area->nr_pages = nr_pages; 1682 area->nr_pages = nr_pages;
1680 /* Please note that the recursion is strictly bounded. */ 1683 /* Please note that the recursion is strictly bounded. */
1681 if (array_size > PAGE_SIZE) { 1684 if (array_size > PAGE_SIZE) {
1682 pages = __vmalloc_node(array_size, 1, nested_gfp|__GFP_HIGHMEM, 1685 pages = __vmalloc_node(array_size, 1, nested_gfp|highmem_mask,
1683 PAGE_KERNEL, node, area->caller); 1686 PAGE_KERNEL, node, area->caller);
1684 } else { 1687 } else {
1685 pages = kmalloc_node(array_size, nested_gfp, node); 1688 pages = kmalloc_node(array_size, nested_gfp, node);
@@ -1700,9 +1703,9 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
1700 } 1703 }
1701 1704
1702 if (node == NUMA_NO_NODE) 1705 if (node == NUMA_NO_NODE)
1703 page = alloc_page(alloc_mask); 1706 page = alloc_page(alloc_mask|highmem_mask);
1704 else 1707 else
1705 page = alloc_pages_node(node, alloc_mask, 0); 1708 page = alloc_pages_node(node, alloc_mask|highmem_mask, 0);
1706 1709
1707 if (unlikely(!page)) { 1710 if (unlikely(!page)) {
1708 /* Successfully allocated i pages, free them in __vunmap() */ 1711 /* Successfully allocated i pages, free them in __vunmap() */
@@ -1710,7 +1713,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
1710 goto fail; 1713 goto fail;
1711 } 1714 }
1712 area->pages[i] = page; 1715 area->pages[i] = page;
1713 if (gfpflags_allow_blocking(gfp_mask)) 1716 if (gfpflags_allow_blocking(gfp_mask|highmem_mask))
1714 cond_resched(); 1717 cond_resched();
1715 } 1718 }
1716 1719