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| author | Jens Axboe <axboe@kernel.dk> | 2017-08-28 13:00:44 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-08-28 13:00:44 -0600 |
| commit | cd996fb47c360320cf25ac9503c16de085ea9cfc (patch) | |
| tree | 38a4730b2c031afe7daf632064f9687f1e09194e /mm/vmalloc.c | |
| parent | e9a823fb34a8b0fcba6e112aa1003258a1a5af50 (diff) | |
| parent | cc4a41fe5541a73019a864883297bd5043aa6d98 (diff) | |
| download | lwn-cd996fb47c360320cf25ac9503c16de085ea9cfc.tar.gz lwn-cd996fb47c360320cf25ac9503c16de085ea9cfc.zip | |
Merge tag 'v4.13-rc7' into for-4.14/block-postmerge
Linux 4.13-rc7
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'mm/vmalloc.c')
| -rw-r--r-- | mm/vmalloc.c | 13 |
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, struct page **pages; unsigned int nr_pages, array_size, i; const gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO; - const gfp_t alloc_mask = gfp_mask | __GFP_HIGHMEM | __GFP_NOWARN; + const gfp_t alloc_mask = gfp_mask | __GFP_NOWARN; + const gfp_t highmem_mask = (gfp_mask & (GFP_DMA | GFP_DMA32)) ? + 0 : + __GFP_HIGHMEM; nr_pages = get_vm_area_size(area) >> PAGE_SHIFT; array_size = (nr_pages * sizeof(struct page *)); @@ -1679,7 +1682,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, area->nr_pages = nr_pages; /* Please note that the recursion is strictly bounded. */ if (array_size > PAGE_SIZE) { - pages = __vmalloc_node(array_size, 1, nested_gfp|__GFP_HIGHMEM, + pages = __vmalloc_node(array_size, 1, nested_gfp|highmem_mask, PAGE_KERNEL, node, area->caller); } else { 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, } if (node == NUMA_NO_NODE) - page = alloc_page(alloc_mask); + page = alloc_page(alloc_mask|highmem_mask); else - page = alloc_pages_node(node, alloc_mask, 0); + page = alloc_pages_node(node, alloc_mask|highmem_mask, 0); if (unlikely(!page)) { /* 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, goto fail; } area->pages[i] = page; - if (gfpflags_allow_blocking(gfp_mask)) + if (gfpflags_allow_blocking(gfp_mask|highmem_mask)) cond_resched(); } |