PG_reserved pages should never be touched by enybody except their owner.
Let's allow dumping tools to skip these pages.
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Dave Young <dyo...@redhat.com>
Cc: Baoquan He <b...@redhat.com>
Cc: Hari Bathini <hbath...@linux.vnet.ibm.com>
Cc: "Kirill A. Shutemov" <kirill.shute...@linux.intel.com>
Cc: Michal Hocko <mho...@kernel.org>
Signed-off-by: David Hildenbrand <da...@redhat.com>
---
kernel/crash_core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index b66aced5e8c2..ab216accf96a 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c
@@ -451,6 +451,7 @@ static int __init crash_save_vmcoreinfo_init(void)
log_buf_vmcoreinfo_setup();
VMCOREINFO_LENGTH(free_area.free_list, MIGRATE_TYPES);
VMCOREINFO_NUMBER(NR_FREE_PAGES);
+ VMCOREINFO_NUMBER(PG_reserved);
VMCOREINFO_NUMBER(PG_lru);
VMCOREINFO_NUMBER(PG_private);
VMCOREINFO_NUMBER(PG_swapcache);
--
2.17.1
