x86/xen: safely map and unmap grant frames when in atomic context

[cascardo/linux.git] / kernel / kexec.c

diff --git a/kernel/kexec.c b/kernel/kexec.c
index 6748688..369f41a 100644 (file)
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1617,6 +1617,7 @@ static int __init crash_save_vmcoreinfo_init(void)
 #ifdef CONFIG_MEMORY_FAILURE
        VMCOREINFO_NUMBER(PG_hwpoison);
 #endif
+       VMCOREINFO_NUMBER(PG_head_mask);
        VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE);
 
        arch_crash_save_vmcoreinfo();