Commit 91f47662 authored Jan 06, 2009 by Cyrill Gorcunov Committed by Linus Torvalds Jan 06, 2009

mm: hugetlb: remove redundant `if' operation



At this point we already know that 'addr' is not NULL so get rid of
redundant 'if'.  Probably gcc eliminate it by optimization pass.

[akpm@linux-foundation.org: use __weak, too]
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 73ce02e9

mm/hugetlb.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -1005,7 +1005,7 @@ static struct page alloc_huge_page(struct vm_area_struct vma,
		return page;
		}

		__attribute__((weak)) int alloc_bootmem_huge_page(struct hstate *h)
		int __weak alloc_bootmem_huge_page(struct hstate *h)
		{
		struct huge_bootmem_page *m;
		int nr_nodes = nodes_weight(node_online_map);
		@@ -1024,7 +1024,6 @@ __attribute__((weak)) int alloc_bootmem_huge_page(struct hstate *h)
		* puts them into the mem_map).
		*/
		m = addr;
		if (m)
		goto found;
		}
		hstate_next_node(h);