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-rw-r--r--kernel/crash_dump.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/crash_dump.c b/kernel/crash_dump.c
index 334c37f5218a..fccb27dbc623 100644
--- a/kernel/crash_dump.c
+++ b/kernel/crash_dump.c
@@ -14,10 +14,12 @@
#include <asm/io.h>
#include <asm/uaccess.h>
+#include <asm/kexec.h>
/* Stores the physical address of elf header of crash image. */
unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
+#ifndef HAVE_ARCH_COPY_OLDMEM_PAGE
/**
* copy_oldmem_page - copy one page from "oldmem"
* @pfn: page frame number to be copied
@@ -59,3 +61,4 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
kfree(page);
return csize;
}
+#endif