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-rw-r--r--mm/slab_common.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/slab_common.c b/mm/slab_common.c
index 1950c8f4d1a6..2834bc2886fd 100644
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -582,6 +582,11 @@ void __init create_kmalloc_caches(unsigned long flags)
}
#endif /* !CONFIG_SLOB */
+/*
+ * To avoid unnecessary overhead, we pass through large allocation requests
+ * directly to the page allocator. We use __GFP_COMP, because we will need to
+ * know the allocation order to free the pages properly in kfree.
+ */
void *kmalloc_order(size_t size, gfp_t flags, unsigned int order)
{
void *ret;