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-rw-r--r--mm/page_alloc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9d666df..ca58bfc 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3402,7 +3402,8 @@ EXPORT_SYMBOL(__free_page_frag);
/*
* alloc_kmem_pages charges newly allocated pages to the kmem resource counter
- * of the current memory cgroup.
+ * of the current memory cgroup if __GFP_ACCOUNT is set, other than that it is
+ * equivalent to alloc_pages.
*
* It should be used when the caller would like to use kmalloc, but since the
* allocation is large, it has to fall back to the page allocator.