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authorDavid Woodhouse <David.Woodhouse@intel.com>2010-10-30 07:35:11 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2010-10-30 07:35:11 -0400
commit67577927e8d7a1f4b09b4992df640eadc6aacb36 (patch)
tree2e9efe6b5745965faf0dcc084d4613d9356263f9 /arch/x86/kernel/check.c
parent6fe4c590313133ebd5dadb769031489ff178ece1 (diff)
parent51f00a471ce8f359627dd99aeac322947a0e491b (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Conflicts: drivers/mtd/mtd_blkdevs.c Merge Grant's device-tree bits so that we can apply the subsequent fixes. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'arch/x86/kernel/check.c')
-rw-r--r--arch/x86/kernel/check.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c
index fc999e6fc46a..13a389179514 100644
--- a/arch/x86/kernel/check.c
+++ b/arch/x86/kernel/check.c
@@ -2,7 +2,8 @@
2#include <linux/sched.h> 2#include <linux/sched.h>
3#include <linux/kthread.h> 3#include <linux/kthread.h>
4#include <linux/workqueue.h> 4#include <linux/workqueue.h>
5#include <asm/e820.h> 5#include <linux/memblock.h>
6
6#include <asm/proto.h> 7#include <asm/proto.h>
7 8
8/* 9/*
@@ -18,10 +19,12 @@ static int __read_mostly memory_corruption_check = -1;
18static unsigned __read_mostly corruption_check_size = 64*1024; 19static unsigned __read_mostly corruption_check_size = 64*1024;
19static unsigned __read_mostly corruption_check_period = 60; /* seconds */ 20static unsigned __read_mostly corruption_check_period = 60; /* seconds */
20 21
21static struct e820entry scan_areas[MAX_SCAN_AREAS]; 22static struct scan_area {
23 u64 addr;
24 u64 size;
25} scan_areas[MAX_SCAN_AREAS];
22static int num_scan_areas; 26static int num_scan_areas;
23 27
24
25static __init int set_corruption_check(char *arg) 28static __init int set_corruption_check(char *arg)
26{ 29{
27 char *end; 30 char *end;
@@ -81,9 +84,9 @@ void __init setup_bios_corruption_check(void)
81 84
82 while (addr < corruption_check_size && num_scan_areas < MAX_SCAN_AREAS) { 85 while (addr < corruption_check_size && num_scan_areas < MAX_SCAN_AREAS) {
83 u64 size; 86 u64 size;
84 addr = find_e820_area_size(addr, &size, PAGE_SIZE); 87 addr = memblock_x86_find_in_range_size(addr, &size, PAGE_SIZE);
85 88
86 if (!(addr + 1)) 89 if (addr == MEMBLOCK_ERROR)
87 break; 90 break;
88 91
89 if (addr >= corruption_check_size) 92 if (addr >= corruption_check_size)
@@ -92,7 +95,7 @@ void __init setup_bios_corruption_check(void)
92 if ((addr + size) > corruption_check_size) 95 if ((addr + size) > corruption_check_size)
93 size = corruption_check_size - addr; 96 size = corruption_check_size - addr;
94 97
95 e820_update_range(addr, size, E820_RAM, E820_RESERVED); 98 memblock_x86_reserve_range(addr, addr + size, "SCAN RAM");
96 scan_areas[num_scan_areas].addr = addr; 99 scan_areas[num_scan_areas].addr = addr;
97 scan_areas[num_scan_areas].size = size; 100 scan_areas[num_scan_areas].size = size;
98 num_scan_areas++; 101 num_scan_areas++;
@@ -105,7 +108,6 @@ void __init setup_bios_corruption_check(void)
105 108
106 printk(KERN_INFO "Scanning %d areas for low memory corruption\n", 109 printk(KERN_INFO "Scanning %d areas for low memory corruption\n",
107 num_scan_areas); 110 num_scan_areas);
108 update_e820();
109} 111}
110 112
111 113