svn commit: r221988 - head/sys/powerpc/powerpc

Nathan Whitehorn nwhitehorn at FreeBSD.org
Mon May 16 15:20:54 UTC 2011


Author: nwhitehorn
Date: Mon May 16 15:20:54 2011
New Revision: 221988
URL: http://svn.freebsd.org/changeset/base/221988

Log:
  Fix a </<= mixup. This could result in suboptimal performance on the last
  page of physical memory.

Modified:
  head/sys/powerpc/powerpc/platform.c

Modified: head/sys/powerpc/powerpc/platform.c
==============================================================================
--- head/sys/powerpc/powerpc/platform.c	Mon May 16 15:19:30 2011	(r221987)
+++ head/sys/powerpc/powerpc/platform.c	Mon May 16 15:20:54 2011	(r221988)
@@ -93,7 +93,7 @@ mem_valid(vm_offset_t addr, int len)
 
 	for (i = 0; i < npregions; i++)
 		if ((addr >= pregions[i].mr_start) 
-		   && (addr + len < pregions[i].mr_start + pregions[i].mr_size))
+		   && (addr + len <= pregions[i].mr_start + pregions[i].mr_size))
 			return (0);
 
 	return (EFAULT);


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