The patch titled
Subject: mm: remove page_cpupid_last()
has been added to the -mm mm-unstable branch. Its filename is
mm-remove-page_cpupid_last.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-remove-page_cpupid_last.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Subject: mm: remove page_cpupid_last()
Date: Wed, 18 Oct 2023 22:07:53 +0800
Since all calls use folio_last_cpupid(), remove page_cpupid_last().
Link: https://lkml.kernel.org/r/20231018140806.2783514-7-wangkefeng.wang@xxxxxxxxxx
Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Huang Ying <ying.huang@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Juri Lelli <juri.lelli@xxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Vincent Guittot <vincent.guittot@xxxxxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mm.h | 17 ++++++-----------
1 file changed, 6 insertions(+), 11 deletions(-)
--- a/include/linux/mm.h~mm-remove-page_cpupid_last
+++ a/include/linux/mm.h
@@ -1702,18 +1702,18 @@ static inline int page_cpupid_xchg_last(
return xchg(&page->_last_cpupid, cpupid & LAST_CPUPID_MASK);
}
-static inline int page_cpupid_last(struct page *page)
+static inline int folio_last_cpupid(struct folio *folio)
{
- return page->_last_cpupid;
+ return folio->_last_cpupid;
}
static inline void page_cpupid_reset_last(struct page *page)
{
page->_last_cpupid = -1 & LAST_CPUPID_MASK;
}
#else
-static inline int page_cpupid_last(struct page *page)
+static inline int folio_last_cpupid(struct folio *folio)
{
- return (page->flags >> LAST_CPUPID_PGSHIFT) & LAST_CPUPID_MASK;
+ return (folio->flags >> LAST_CPUPID_PGSHIFT) & LAST_CPUPID_MASK;
}
extern int page_cpupid_xchg_last(struct page *page, int cpupid);
@@ -1752,9 +1752,9 @@ static inline int xchg_page_access_time(
return 0;
}
-static inline int page_cpupid_last(struct page *page)
+static inline int folio_last_cpupid(struct folio *folio)
{
- return page_to_nid(page); /* XXX */
+ return folio_nid(folio); /* XXX */
}
static inline int cpupid_to_nid(int cpupid)
@@ -1796,11 +1796,6 @@ static inline void vma_set_access_pid_bi
}
#endif /* CONFIG_NUMA_BALANCING */
-static inline int folio_last_cpupid(struct folio *folio)
-{
- return page_cpupid_last(&folio->page);
-}
-
#if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
/*
_
Patches currently in -mm which might be from wangkefeng.wang@xxxxxxxxxx are
mm_types-add-virtual-and-_last_cpupid-into-struct-folio.patch
mm-add-folio_last_cpupid.patch
mm-memory-use-folio_last_cpupid-in-do_numa_page.patch
mm-huge_memory-use-folio_last_cpupid-in-do_huge_pmd_numa_page.patch
mm-huge_memory-use-folio_last_cpupid-in-__split_huge_page_tail.patch
mm-remove-page_cpupid_last.patch
mm-add-folio_xchg_access_time.patch
sched-fair-use-folio_xchg_access_time-in-numa_hint_fault_latency.patch
mm-mprotect-use-a-folio-in-change_pte_range.patch
mm-huge_memory-use-a-folio-in-change_huge_pmd.patch
mm-remove-xchg_page_access_time.patch
mm-add-folio_xchg_last_cpupid.patch
sched-fair-use-folio_xchg_last_cpupid-in-should_numa_migrate_memory.patch
mm-migrate-use-folio_xchg_last_cpupid-in-folio_migrate_flags.patch
mm-huge_memory-use-folio_xchg_last_cpupid-in-__split_huge_page_tail.patch
mm-make-finish_mkwrite_fault-static.patch
mm-convert-wp_page_reuse-and-finish_mkwrite_fault-to-take-a-folio.patch
mm-use-folio_xchg_last_cpupid-in-wp_page_reuse.patch
mm-remove-page_cpupid_xchg_last.patch
