* + mm-fix-comment-of-page-table-counter.patch added to mm-unstable branch
@ 2022-12-24 22:20 Andrew Morton
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From: Andrew Morton @ 2022-12-24 22:20 UTC (permalink / raw)
To: mm-commits, yuzhao, willy, vbabka, peterx, pasha.tatashin,
liam.howlett, hughd, david, ccross, arnd, kele.huang, akpm
The patch titled
Subject: mm: fix comment of page table counter
has been added to the -mm mm-unstable branch. Its filename is
mm-fix-comment-of-page-table-counter.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-fix-comment-of-page-table-counter.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: Kele Huang <kele.huang@columbia.edu>
Subject: mm: fix comment of page table counter
Date: Sat, 24 Dec 2022 01:02:33 -0500
Commit af5b0f6a09e42 ("mm: consolidate page table accounting")
consolidates page table accounting to a single counter in struct mm_struct
{} as mm->pgtables_bytes. So the meanning of this counter should be the
size of all page tables now.
Link: https://lkml.kernel.org/r/20221224060233.417827-1-kele.huang@columbia.edu
Signed-off-by: Kele Huang <kele.huang@columbia.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Colin Cross <ccross@google.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
--- a/include/linux/mm_types.h~mm-fix-comment-of-page-table-counter
+++ a/include/linux/mm_types.h
@@ -647,7 +647,7 @@ struct mm_struct {
atomic_t mm_count;
#ifdef CONFIG_MMU
- atomic_long_t pgtables_bytes; /* PTE page table pages */
+ atomic_long_t pgtables_bytes; /* size of all page tables */
#endif
int map_count; /* number of VMAs */
_
Patches currently in -mm which might be from kele.huang@columbia.edu are
mm-fix-comment-of-page-table-counter.patch
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2022-12-24 22:20 + mm-fix-comment-of-page-table-counter.patch added to mm-unstable branch Andrew Morton
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