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-rw-r--r--include/linux/crash_dump.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 0026f26..088cd4a 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -20,7 +20,14 @@ extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
#define vmcore_elf_check_arch_cross(x) 0
#endif
-#define vmcore_elf_check_arch(x) (elf_check_arch(x) || vmcore_elf_check_arch_cross(x))
+/*
+ * Architecture code can redefine this if there are any special checks
+ * needed for 64-bit ELF vmcores. In case of 32-bit only architecture,
+ * this can be set to zero.
+ */
+#ifndef vmcore_elf64_check_arch
+#define vmcore_elf64_check_arch(x) (elf_check_arch(x) || vmcore_elf_check_arch_cross(x))
+#endif
/*
* is_kdump_kernel() checks whether this kernel is booting after a panic of
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