Re: [PATCH 5/9] mm: Turn folio_test_hugetlb into a PageType

[Matthew Wilcox <willy@xxxxxxxxxxxxx>]

On Mon, Mar 25, 2024 at 03:14:53PM +0000, Matthew Wilcox wrote:
> Update vmcoreinfo:

Urgh, a typo slipped in.  use this instead:

diff --git a/kernel/vmcore_info.c b/kernel/vmcore_info.c
index f95516cd45bb..41372f5d5c19 100644
--- a/kernel/vmcore_info.c
+++ b/kernel/vmcore_info.c
@@ -205,11 +205,10 @@ static int __init crash_save_vmcoreinfo_init(void)
 	VMCOREINFO_NUMBER(PG_head_mask);
 #define PAGE_BUDDY_MAPCOUNT_VALUE	(~PG_buddy)
 	VMCOREINFO_NUMBER(PAGE_BUDDY_MAPCOUNT_VALUE);
-#ifdef CONFIG_HUGETLB_PAGE
-	VMCOREINFO_NUMBER(PG_hugetlb);
+#define PAGE_HUGETLB_MAPCOUNT_VALUE(	(~PG_hugetlb)
+	VMCOREINFO_NUMBER(PAGE_HUGETLB_MAPCOUNT_VALUE);
 #define PAGE_OFFLINE_MAPCOUNT_VALUE	(~PG_offline)
 	VMCOREINFO_NUMBER(PAGE_OFFLINE_MAPCOUNT_VALUE);
-#endif
 
 #ifdef CONFIG_KALLSYMS
 	VMCOREINFO_SYMBOL(kallsyms_names);