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-rw-r--r--mm/util.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/util.c b/mm/util.c
index c2d0a7cdb189..3351659200e6 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -391,7 +391,8 @@ EXPORT_SYMBOL(vm_mmap);
391 * __GFP_RETRY_MAYFAIL is supported, and it should be used only if kmalloc is 391 * __GFP_RETRY_MAYFAIL is supported, and it should be used only if kmalloc is
392 * preferable to the vmalloc fallback, due to visible performance drawbacks. 392 * preferable to the vmalloc fallback, due to visible performance drawbacks.
393 * 393 *
394 * Any use of gfp flags outside of GFP_KERNEL should be consulted with mm people. 394 * Please note that any use of gfp flags outside of GFP_KERNEL is careful to not
395 * fall back to vmalloc.
395 */ 396 */
396void *kvmalloc_node(size_t size, gfp_t flags, int node) 397void *kvmalloc_node(size_t size, gfp_t flags, int node)
397{ 398{
@@ -402,7 +403,8 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node)
402 * vmalloc uses GFP_KERNEL for some internal allocations (e.g page tables) 403 * vmalloc uses GFP_KERNEL for some internal allocations (e.g page tables)
403 * so the given set of flags has to be compatible. 404 * so the given set of flags has to be compatible.
404 */ 405 */
405 WARN_ON_ONCE((flags & GFP_KERNEL) != GFP_KERNEL); 406 if ((flags & GFP_KERNEL) != GFP_KERNEL)
407 return kmalloc_node(size, flags, node);
406 408
407 /* 409 /*
408 * We want to attempt a large physically contiguous block first because 410 * We want to attempt a large physically contiguous block first because