From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Wed, 18 Dec 2013 18:42:17 +0000 (-0200)
Subject: mempath prefault: fix off-by-one error
X-Git-Tag: v2.0.0-rc0~142^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2ba82852894c762299b7d05e9a2be184116b80f0;p=thirdparty%2Fqemu.git

mempath prefault: fix off-by-one error

Fix off-by-one error (noticed by Andrea Arcangeli).

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

diff --git a/exec.c b/exec.c
index 896f7b83fc2..52d451b5474 100644
--- a/exec.c
+++ b/exec.c
@@ -1001,7 +1001,7 @@ static void *file_ram_alloc(RAMBlock *block,
         }
 
         /* MAP_POPULATE silently ignores failures */
-        for (i = 0; i < (memory/hpagesize)-1; i++) {
+        for (i = 0; i < (memory/hpagesize); i++) {
             memset(area + (hpagesize*i), 0, 1);
         }