2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>

	* sysdeps/x86_64/cacheinfo.c (init_cacheinfo): Round cache sizes
	up to multiple of 256 bytes.

Index: glibc-2.12-2-gc4ccff1/sysdeps/x86_64/cacheinfo.c
===================================================================
--- glibc-2.12-2-gc4ccff1.orig/sysdeps/x86_64/cacheinfo.c
+++ glibc-2.12-2-gc4ccff1/sysdeps/x86_64/cacheinfo.c
@@ -661,12 +661,16 @@ init_cacheinfo (void)
 
   if (data > 0)
     {
+      /* Round data cache size up to multiple of 256 bytes.  */
+      data = (data + 255) & ~255L;
       __x86_64_data_cache_size_half = data / 2;
       __x86_64_data_cache_size = data;
     }
 
   if (shared > 0)
     {
+      /* Round shared cache size up to multiple of 256 bytes.  */
+      shared = (shared + 255) & ~255L;
       __x86_64_shared_cache_size_half = shared / 2;
       __x86_64_shared_cache_size = shared;
     }