X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fcrash_dump.h;h=025e4f5751034ac15139a704a63941a0f1d6dbce;hb=e496e3d645c93206faf61ff6005995ebd08cc39c;hp=6cd39a927e1fc80d2c92248e8c71895caf06aa91;hpb=762b8291be6944bd891fbe2c8976a2b2e5bbc726;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 6cd39a927e1f..025e4f575103 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -8,7 +8,13 @@
 #include <linux/proc_fs.h>
 
 #define ELFCORE_ADDR_MAX	(-1ULL)
+
+#ifdef CONFIG_PROC_VMCORE
 extern unsigned long long elfcorehdr_addr;
+#else
+static const unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
+#endif
+
 extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
 						unsigned long, int);
 extern const struct file_operations proc_vmcore_operations;