lkml.org 
[lkml]   [2014]   [Oct]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/3] Numachip: use 2GB memory block size
Date
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@numascale.com>
Reviewed-by: Steffen Persvold <sp@numascale.com>
---
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..727f940 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


\
 
 \ /
  Last update: 2014-10-15 15:21    [W:0.102 / U:0.512 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site