+ mm-free-up-pg_slab-fix.patch added to mm-unstable branch

+ mm-free-up-pg_slab-fix.patch added to mm-unstable branch

[Andrew Morton]

The patch titled
     Subject: mm-free-up-pg_slab-fix
has been added to the -mm mm-unstable branch.  Its filename is
     mm-free-up-pg_slab-fix.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-free-up-pg_slab-fix.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Matthew Wilcox <willy@infradead.org>
Subject: mm-free-up-pg_slab-fix
Date: Mon, 25 Mar 2024 15:19:20 +0000

update vmcoreinfo

Link: https://lkml.kernel.org/r/ZgGV-O8WYQ_83kxp@casper.infradead.org
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/vmcore_info.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/kernel/vmcore_info.c~mm-free-up-pg_slab-fix
+++ a/kernel/vmcore_info.c
@@ -198,7 +198,8 @@ static int __init crash_save_vmcoreinfo_
 	VMCOREINFO_NUMBER(PG_private);
 	VMCOREINFO_NUMBER(PG_swapcache);
 	VMCOREINFO_NUMBER(PG_swapbacked);
-	VMCOREINFO_NUMBER(PG_slab);
+#define PAGE_SLAB_MAPCOUNT_VALUE	(~PG_slab)
+	VMCOREINFO_NUMBER(PAGE_SLAB_MAPCOUNT_VALUE);
 #ifdef CONFIG_MEMORY_FAILURE
 	VMCOREINFO_NUMBER(PG_hwpoison);
 #endif
_

Patches currently in -mm which might be from willy@infradead.org are

mm-increase-folio-batch-size.patch
mm-always-initialise-folio-_deferred_list.patch
mm-create-folio_flag_false-and-folio_type_ops-macros.patch
mm-remove-folio_prep_large_rmappable.patch
mm-support-page_mapcount-on-page_has_type-pages.patch
mm-turn-folio_test_hugetlb-into-a-pagetype.patch
mm-remove-a-call-to-compound_head-from-is_page_hwpoison.patch
mm-free-up-pg_slab.patch
mm-free-up-pg_slab-fix.patch
mm-improve-dumping-of-mapcount-and-page_type.patch
hugetlb-remove-mention-of-destructors.patch