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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /arch/x86/kernel/crash_dump_64.c
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'arch/x86/kernel/crash_dump_64.c')
-rw-r--r--arch/x86/kernel/crash_dump_64.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c
index 045b36cada65..afa64adb75ee 100644
--- a/arch/x86/kernel/crash_dump_64.c
+++ b/arch/x86/kernel/crash_dump_64.c
@@ -10,9 +10,6 @@
10#include <linux/uaccess.h> 10#include <linux/uaccess.h>
11#include <linux/io.h> 11#include <linux/io.h>
12 12
13/* Stores the physical address of elf header of crash image. */
14unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
15
16/** 13/**
17 * copy_oldmem_page - copy one page from "oldmem" 14 * copy_oldmem_page - copy one page from "oldmem"
18 * @pfn: page frame number to be copied 15 * @pfn: page frame number to be copied
@@ -34,7 +31,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
34 if (!csize) 31 if (!csize)
35 return 0; 32 return 0;
36 33
37 vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE); 34 vaddr = ioremap_cache(pfn << PAGE_SHIFT, PAGE_SIZE);
38 if (!vaddr) 35 if (!vaddr)
39 return -ENOMEM; 36 return -ENOMEM;
40 37
@@ -46,6 +43,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
46 } else 43 } else
47 memcpy(buf, vaddr + offset, csize); 44 memcpy(buf, vaddr + offset, csize);
48 45
46 set_iounmap_nonlazy();
49 iounmap(vaddr); 47 iounmap(vaddr);
50 return csize; 48 return csize;
51} 49}