Use appropriate memory block size to reduce sysfs entry creation time
by 16x.
Boot-tested with the four permutations of X86_UV and X86_NUMACHIP.
Signed-off-by: Daniel J Blueman <daniel@xxxxxxxxxxxxx>
---
arch/x86/mm/init_64.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 5621c47..22ea6de 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -53,6 +53,7 @@
#include <asm/cacheflush.h>
#include <asm/init.h>
#include <asm/uv/uv.h>
+#include <asm/numachip/numachip.h>
#include <asm/setup.h>
#include "mm_internal.h"
@@ -1235,9 +1236,9 @@ static unsigned long probe_memory_block_size(void)
/* start from 2g */
unsigned long bz = 1UL<<31;
-#ifdef CONFIG_X86_UV
- if (is_uv_system()) {
- printk(KERN_INFO "UV: memory block size 2GB\n");
+#ifdef CONFIG_X86_64
+ if (is_uv_system() || is_numachip_system()) {
+ pr_info("Memory block size 2GB for large-SMP system\n");
return 2UL * 1024 * 1024 * 1024;
}
#endif
--
1.9.1
--
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