linux-kernel - [PATCH V2 1/2] mm/memblock.c: trivial code refine in memblock_is_region

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Date:   Sun, 18 Dec 2016 14:47:49 +0000
From:   Wei Yang <richard.weiyang@...il.com>
To:     trivial@...nel.org, akpm@...ux-foundation.org
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Wei Yang <richard.weiyang@...il.com>
Subject: [PATCH V2 1/2] mm/memblock.c: trivial code refine in memblock_is_region_memory()

The base address is already guaranteed to be in the region by
memblock_search().

This patch removes the check on base.

Signed-off-by: Wei Yang <richard.weiyang@...il.com>
---
 mm/memblock.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memblock.c b/mm/memblock.c
index 7608bc3..cd85303 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1615,7 +1615,7 @@ int __init_memblock memblock_is_region_memory(phys_addr_t base, phys_addr_t size
 
 	if (idx == -1)
 		return 0;
-	return memblock.memory.regions[idx].base <= base &&
+	return /* memblock.memory.regions[idx].base <= base && */
 		(memblock.memory.regions[idx].base +
 		 memblock.memory.regions[idx].size) >= end;
 }
-- 
2.5.0