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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);
* __GFP_RETRY_MAYFAIL is supported, and it should be used only if kmalloc is
* preferable to the vmalloc fallback, due to visible performance drawbacks.
*
- * Any use of gfp flags outside of GFP_KERNEL should be consulted with mm people.
+ * Please note that any use of gfp flags outside of GFP_KERNEL is careful to not
+ * fall back to vmalloc.
*/
void *kvmalloc_node(size_t size, gfp_t flags, int node)
{
@@ -402,7 +403,8 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node)
* vmalloc uses GFP_KERNEL for some internal allocations (e.g page tables)
* so the given set of flags has to be compatible.
*/
- WARN_ON_ONCE((flags & GFP_KERNEL) != GFP_KERNEL);
+ if ((flags & GFP_KERNEL) != GFP_KERNEL)
+ return kmalloc_node(size, flags, node);
/*
* We want to attempt a large physically contiguous block first because