lkml.org 
[lkml]   [2015]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[RFC PATCH 09/12] mm: enable allocate mirrored memory at boot time
Add a boot option called "mirrorable" to allocate mirrored memory at boot time
(after bootmem free).

Signed-off-by: Xishi Qiu <qiuxishi@huawei.com>
---
mm/page_alloc.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 63b90ca..d4d2066 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -213,6 +213,13 @@ int user_min_free_kbytes = -1;
#ifdef CONFIG_MEMORY_MIRROR
struct mirror_info mirror_info;
int sysctl_mirrorable = 0;
+
+static int __init set_mirrorable(char *p)
+{
+ sysctl_mirrorable = 1;
+ return 0;
+}
+early_param("mirrorable", set_mirrorable);
#endif

static unsigned long __meminitdata nr_kernel_pages;
--
2.0.0



\
 
 \ /
  Last update: 2015-06-04 15:21    [W:0.305 / U:0.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site