arm64: kdump: Skip kmemleak scan reserved memory for kdump

[linux-2.6-microblaze.git] / arch / arm64 / mm / init.c

diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 2b28d77..5a16f57 100644 (file)
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -30,6 +30,7 @@
 #include <linux/crash_dump.h>
 #include <linux/hugetlb.h>
 #include <linux/acpi_iort.h>
+#include <linux/kmemleak.h>
 
 #include <asm/boot.h>
 #include <asm/fixmap.h>
@@ -115,6 +116,11 @@ static void __init reserve_crashkernel(void)
        pr_info("crashkernel reserved: 0x%016llx - 0x%016llx (%lld MB)\n",
                crash_base, crash_base + crash_size, crash_size >> 20);
 
+       /*
+        * The crashkernel memory will be removed from the kernel linear
+        * map. Inform kmemleak so that it won't try to access it.
+        */
+       kmemleak_ignore_phys(crash_base);
        crashk_res.start = crash_base;
        crashk_res.end = crash_base + crash_size - 1;
 }