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Diffstat (limited to 'arch/x86/kernel/crash_dump_64.c')
-rw-r--r--arch/x86/kernel/crash_dump_64.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c
index 045b36cada6..994828899e0 100644
--- a/arch/x86/kernel/crash_dump_64.c
+++ b/arch/x86/kernel/crash_dump_64.c
@@ -34,7 +34,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
if (!csize)
return 0;
- vaddr = ioremap(pfn << PAGE_SHIFT, PAGE_SIZE);
+ vaddr = ioremap_cache(pfn << PAGE_SHIFT, PAGE_SIZE);
if (!vaddr)
return -ENOMEM;
@@ -46,6 +46,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
} else
memcpy(buf, vaddr + offset, csize);
+ set_iounmap_nonlazy();
iounmap(vaddr);
return csize;
}