The patch titled
Subject: pgtable: rename ptdesc _refcount field to __page_refcount
has been added to the -mm mm-unstable branch. Its filename is
pgtable-rename-ptdesc-_refcount-field-to-__page_refcount.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/pgtable-rename-ptdesc-_refcount-field-to-__page_refcount.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: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Subject: pgtable: rename ptdesc _refcount field to __page_refcount
Date: Tue, 21 Nov 2023 20:43:50 +0100
Rename ptdesc _refcount field to __page_refcount similar to the other
unused page fields.
Link: https://lkml.kernel.org/r/982bdc652ba79a606c3d01c905766e7e076b3315.1700594815.git.agordeev@xxxxxxxxxxxxx
Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
Suggested-by: Vishal Moola <vishal.moola@xxxxxxxxx>
Cc: Gerald Schaefer <gerald.schaefer@xxxxxxxxxxxxx>
Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm_types.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/include/linux/mm_types.h~pgtable-rename-ptdesc-_refcount-field-to-__page_refcount
+++ a/include/linux/mm_types.h
@@ -405,7 +405,7 @@ FOLIO_MATCH(compound_head, _head_2a);
* @_pt_pad_2: Padding to ensure proper alignment.
* @ptl: Lock for the page table.
* @__page_type: Same as page->page_type. Unused for page tables.
- * @_refcount: Same as page refcount.
+ * @__page_refcount: Same as page refcount.
* @pt_memcg_data: Memcg data. Tracked for page tables here.
*
* This struct overlays struct page for now. Do not modify without a good
@@ -438,7 +438,7 @@ struct ptdesc {
#endif
};
unsigned int __page_type;
- atomic_t _refcount;
+ atomic_t __page_refcount;
#ifdef CONFIG_MEMCG
unsigned long pt_memcg_data;
#endif
@@ -452,7 +452,7 @@ TABLE_MATCH(compound_head, _pt_pad_1);
TABLE_MATCH(mapping, __page_mapping);
TABLE_MATCH(rcu_head, pt_rcu_head);
TABLE_MATCH(page_type, __page_type);
-TABLE_MATCH(_refcount, _refcount);
+TABLE_MATCH(_refcount, __page_refcount);
#ifdef CONFIG_MEMCG
TABLE_MATCH(memcg_data, pt_memcg_data);
#endif
_
Patches currently in -mm which might be from agordeev@xxxxxxxxxxxxx are
pgtable-fix-s390-ptdesc-field-comments.patch
pgtable-rename-ptdesc-_refcount-field-to-__page_refcount.patch
