From: Martin Mares <mj@ucw.cz>
Date: Tue, 31 May 2005 11:27:12 +0000 (+0000)
Subject: Shifting of mapping window is unlikely().
X-Git-Tag: holmes-import~773
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=36e1a4b2367e38be7a5c37d286418e574d8d0ce2;p=libucw.git

Shifting of mapping window is unlikely().
---

diff --git a/lib/partmap.c b/lib/partmap.c
index 7a31de28..8b6cdc94 100644
--- a/lib/partmap.c
+++ b/lib/partmap.c
@@ -65,7 +65,7 @@ partmap_close(struct partmap *p)
 void *
 partmap_map(struct partmap *p, sh_off_t start, uns size)
 {
-  if (!p->start_map || start < p->start_off || (sh_off_t) (start+size) > p->end_off)
+  if (unlikely(!p->start_map || start < p->start_off || (sh_off_t) (start+size) > p->end_off))
     {
       if (p->start_map)
 	munmap(p->start_map, p->end_off - p->start_off);