From: Cyrill Gorcunov <gorcunov@gmail.com>
Date: Tue, 31 Mar 2009 22:19:25 +0000 (-0700)
Subject: mm: mminit_validate_memmodel_limits(): remove redundant test
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=ef161a9863b045909142daea9490b067997f3dc5;p=linux-2.6-omap-h63xx.git

mm: mminit_validate_memmodel_limits(): remove redundant test

In case if start_pfn overlap the upper bound no need to test end_pfn again
since we have it already trimmed.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Reviewed-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/mm/sparse.c b/mm/sparse.c
index 083f5b63e7a..da432d9f0ae 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -164,9 +164,7 @@ void __meminit mminit_validate_memmodel_limits(unsigned long *start_pfn,
 		WARN_ON_ONCE(1);
 		*start_pfn = max_sparsemem_pfn;
 		*end_pfn = max_sparsemem_pfn;
-	}
-
-	if (*end_pfn > max_sparsemem_pfn) {
+	} else if (*end_pfn > max_sparsemem_pfn) {
 		mminit_dprintk(MMINIT_WARNING, "pfnvalidation",
 			"End of range %lu -> %lu exceeds SPARSEMEM max %lu\n",
 			*start_pfn, *end_pfn, max_sparsemem_pfn);