aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/check.c
diff options
context:
space:
mode:
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 fc999e6..13a3891 100644
--- a/arch/x86/kernel/check.c
+++ b/arch/x86/kernel/check.c
@@ -2,7 +2,8 @@
#include <linux/sched.h>
#include <linux/kthread.h>
#include <linux/workqueue.h>
-#include <asm/e820.h>
+#include <linux/memblock.h>
+
#include <asm/proto.h>
/*
@@ -18,10 +19,12 @@ static int __read_mostly memory_corruption_check = -1;
static unsigned __read_mostly corruption_check_size = 64*1024;
static unsigned __read_mostly corruption_check_period = 60; /* seconds */
-static struct e820entry scan_areas[MAX_SCAN_AREAS];
+static struct scan_area {
+ u64 addr;
+ u64 size;
+} scan_areas[MAX_SCAN_AREAS];
static int num_scan_areas;
-
static __init int set_corruption_check(char *arg)
{
char *end;
@@ -81,9 +84,9 @@ void __init setup_bios_corruption_check(void)
while (addr < corruption_check_size && num_scan_areas < MAX_SCAN_AREAS) {
u64 size;
- addr = find_e820_area_size(addr, &size, PAGE_SIZE);
+ addr = memblock_x86_find_in_range_size(addr, &size, PAGE_SIZE);
- if (!(addr + 1))
+ if (addr == MEMBLOCK_ERROR)
break;
if (addr >= corruption_check_size)
@@ -92,7 +95,7 @@ void __init setup_bios_corruption_check(void)
if ((addr + size) > corruption_check_size)
size = corruption_check_size - addr;
- e820_update_range(addr, size, E820_RAM, E820_RESERVED);
+ memblock_x86_reserve_range(addr, addr + size, "SCAN RAM");
scan_areas[num_scan_areas].addr = addr;
scan_areas[num_scan_areas].size = size;
num_scan_areas++;
@@ -105,7 +108,6 @@ void __init setup_bios_corruption_check(void)
printk(KERN_INFO "Scanning %d areas for low memory corruption\n",
num_scan_areas);
- update_e820();
}