* + mm-convert-vmemmap_pd_populate-to-static-functions.patch added to mm-new branch
@ 2026-01-12 22:32 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2026-01-12 22:32 UTC (permalink / raw)
To: mm-commits, ziy, zhengqi.arch, willy, vbabka, surenb, rppt,
mhocko, lorenzo.stoakes, liam.howlett, kevin.brodsky, david,
davem, andreas, agordeev, chengkaitao, akpm
The patch titled
Subject: mm: convert vmemmap_p?d_populate() to static functions
has been added to the -mm mm-new branch. Its filename is
mm-convert-vmemmap_pd_populate-to-static-functions.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-convert-vmemmap_pd_populate-to-static-functions.patch
This patch will later appear in the mm-new branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews. Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.
The mm-new branch of mm.git is not included in linux-next
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 various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Chengkaitao <chengkaitao@kylinos.cn>
Subject: mm: convert vmemmap_p?d_populate() to static functions
Date: Sun, 11 Jan 2026 15:44:53 +0800
Since the vmemmap_p?d_populate functions are unused outside the mm
subsystem, we can remove their external declarations and convert them to
static functions.
Link: https://lkml.kernel.org/r/20260111074453.66728-3-pilgrimtao@gmail.com
Signed-off-by: Chengkaitao <chengkaitao@kylinos.cn>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/mm.h | 7 -------
mm/sparse-vmemmap.c | 10 +++++-----
2 files changed, 5 insertions(+), 12 deletions(-)
--- a/include/linux/mm.h~mm-convert-vmemmap_pd_populate-to-static-functions
+++ a/include/linux/mm.h
@@ -4323,13 +4323,6 @@ unsigned long section_map_size(void);
struct page * __populate_section_memmap(unsigned long pfn,
unsigned long nr_pages, int nid, struct vmem_altmap *altmap,
struct dev_pagemap *pgmap);
-pgd_t *vmemmap_pgd_populate(unsigned long addr, int node);
-p4d_t *vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node);
-pud_t *vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node);
-pmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);
-pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
- struct vmem_altmap *altmap, unsigned long ptpfn,
- unsigned long flags);
void *vmemmap_alloc_block(unsigned long size, int node);
struct vmem_altmap;
void *vmemmap_alloc_block_buf(unsigned long size, int node,
--- a/mm/sparse-vmemmap.c~mm-convert-vmemmap_pd_populate-to-static-functions
+++ a/mm/sparse-vmemmap.c
@@ -151,7 +151,7 @@ void __meminit vmemmap_verify(pte_t *pte
start, end - 1);
}
-pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
+static pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
struct vmem_altmap *altmap,
unsigned long ptpfn, unsigned long flags)
{
@@ -195,7 +195,7 @@ static void * __meminit vmemmap_alloc_bl
return p;
}
-pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)
+static pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)
{
pmd_t *pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd)) {
@@ -208,7 +208,7 @@ pmd_t * __meminit vmemmap_pmd_populate(p
return pmd;
}
-pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)
+static pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)
{
pud_t *pud = pud_offset(p4d, addr);
if (pud_none(*pud)) {
@@ -221,7 +221,7 @@ pud_t * __meminit vmemmap_pud_populate(p
return pud;
}
-p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)
+static p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)
{
p4d_t *p4d = p4d_offset(pgd, addr);
if (p4d_none(*p4d)) {
@@ -234,7 +234,7 @@ p4d_t * __meminit vmemmap_p4d_populate(p
return p4d;
}
-pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
+static pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
{
pgd_t *pgd = pgd_offset_k(addr);
if (pgd_none(*pgd)) {
_
Patches currently in -mm which might be from chengkaitao@kylinos.cn are
sparc-use-vmemmap_populate_hugepages-for-vmemmap_populate.patch
mm-convert-vmemmap_pd_populate-to-static-functions.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
* + mm-convert-vmemmap_pd_populate-to-static-functions.patch added to mm-new branch
@ 2026-02-21 0:33 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2026-02-21 0:33 UTC (permalink / raw)
To: mm-commits, ziy, zhengqi.arch, willy, vbabka, surenb, rppt,
mhocko, lorenzo.stoakes, liam.howlett, kevin.brodsky, david,
davem, andreas, chengkaitao, akpm
The patch titled
Subject: mm: convert vmemmap_p?d_populate() to static functions
has been added to the -mm mm-new branch. Its filename is
mm-convert-vmemmap_pd_populate-to-static-functions.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-convert-vmemmap_pd_populate-to-static-functions.patch
This patch will later appear in the mm-new branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews. Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.
The mm-new branch of mm.git is not included in linux-next
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 various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Chengkaitao <chengkaitao@kylinos.cn>
Subject: mm: convert vmemmap_p?d_populate() to static functions
Date: Sun, 1 Feb 2026 14:35:32 +0800
Since the vmemmap_p?d_populate functions are unused outside the mm
subsystem, we can remove their external declarations and convert them to
static functions.
Link: https://lkml.kernel.org/r/20260201063532.44807-3-pilgrimtao@gmail.com
Signed-off-by: Chengkaitao <chengkaitao@kylinos.cn>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/mm.h | 7 -------
mm/sparse-vmemmap.c | 10 +++++-----
2 files changed, 5 insertions(+), 12 deletions(-)
--- a/include/linux/mm.h~mm-convert-vmemmap_pd_populate-to-static-functions
+++ a/include/linux/mm.h
@@ -4500,13 +4500,6 @@ unsigned long section_map_size(void);
struct page * __populate_section_memmap(unsigned long pfn,
unsigned long nr_pages, int nid, struct vmem_altmap *altmap,
struct dev_pagemap *pgmap);
-pgd_t *vmemmap_pgd_populate(unsigned long addr, int node);
-p4d_t *vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node);
-pud_t *vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node);
-pmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);
-pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
- struct vmem_altmap *altmap, unsigned long ptpfn,
- unsigned long flags);
void *vmemmap_alloc_block(unsigned long size, int node);
struct vmem_altmap;
void *vmemmap_alloc_block_buf(unsigned long size, int node,
--- a/mm/sparse-vmemmap.c~mm-convert-vmemmap_pd_populate-to-static-functions
+++ a/mm/sparse-vmemmap.c
@@ -151,7 +151,7 @@ void __meminit vmemmap_verify(pte_t *pte
start, end - 1);
}
-pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
+static pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
struct vmem_altmap *altmap,
unsigned long ptpfn, unsigned long flags)
{
@@ -195,7 +195,7 @@ static void * __meminit vmemmap_alloc_bl
return p;
}
-pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)
+static pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)
{
pmd_t *pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd)) {
@@ -208,7 +208,7 @@ pmd_t * __meminit vmemmap_pmd_populate(p
return pmd;
}
-pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)
+static pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)
{
pud_t *pud = pud_offset(p4d, addr);
if (pud_none(*pud)) {
@@ -221,7 +221,7 @@ pud_t * __meminit vmemmap_pud_populate(p
return pud;
}
-p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)
+static p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)
{
p4d_t *p4d = p4d_offset(pgd, addr);
if (p4d_none(*p4d)) {
@@ -234,7 +234,7 @@ p4d_t * __meminit vmemmap_p4d_populate(p
return p4d;
}
-pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
+static pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
{
pgd_t *pgd = pgd_offset_k(addr);
if (pgd_none(*pgd)) {
_
Patches currently in -mm which might be from chengkaitao@kylinos.cn are
sparc-use-vmemmap_populate_hugepages-for-vmemmap_populate.patch
mm-convert-vmemmap_pd_populate-to-static-functions.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
* + mm-convert-vmemmap_pd_populate-to-static-functions.patch added to mm-new branch
@ 2026-04-23 12:37 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2026-04-23 12:37 UTC (permalink / raw)
To: mm-commits, surenb, rppt, mhocko, ljs, liam, david, chengkaitao,
akpm
The patch titled
Subject: mm: convert vmemmap_p?d_populate() to static functions
has been added to the -mm mm-new branch. Its filename is
mm-convert-vmemmap_pd_populate-to-static-functions.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-convert-vmemmap_pd_populate-to-static-functions.patch
This patch will later appear in the mm-new branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews. Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.
The mm-new branch of mm.git is not included in linux-next
If a few days of testing in mm-new is successful, the patch will me moved
into mm.git's mm-unstable branch, which is included in linux-next
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 various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Chengkaitao <chengkaitao@kylinos.cn>
Subject: mm: convert vmemmap_p?d_populate() to static functions
Date: Thu, 23 Apr 2026 18:14:41 +0800
Since the vmemmap_p?d_populate functions are unused outside the mm
subsystem, we can remove their external declarations and convert them to
static functions.
Link: https://lore.kernel.org/20260423101441.7089-1-kaitao.cheng@linux.dev
Signed-off-by: Chengkaitao <chengkaitao@kylinos.cn>
Acked-by: David Hildenbrand (arm) <david@kernel.org>
Cc: David Hildenbrand <david@kernel.org>
Cc: Liam Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/mm.h | 7 -------
mm/sparse-vmemmap.c | 10 +++++-----
2 files changed, 5 insertions(+), 12 deletions(-)
--- a/include/linux/mm.h~mm-convert-vmemmap_pd_populate-to-static-functions
+++ a/include/linux/mm.h
@@ -4860,13 +4860,6 @@ unsigned long section_map_size(void);
struct page * __populate_section_memmap(unsigned long pfn,
unsigned long nr_pages, int nid, struct vmem_altmap *altmap,
struct dev_pagemap *pgmap);
-pgd_t *vmemmap_pgd_populate(unsigned long addr, int node);
-p4d_t *vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node);
-pud_t *vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node);
-pmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);
-pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
- struct vmem_altmap *altmap, unsigned long ptpfn,
- unsigned long flags);
void *vmemmap_alloc_block(unsigned long size, int node);
struct vmem_altmap;
void *vmemmap_alloc_block_buf(unsigned long size, int node,
--- a/mm/sparse-vmemmap.c~mm-convert-vmemmap_pd_populate-to-static-functions
+++ a/mm/sparse-vmemmap.c
@@ -151,7 +151,7 @@ void __meminit vmemmap_verify(pte_t *pte
start, end - 1);
}
-pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
+static pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node,
struct vmem_altmap *altmap,
unsigned long ptpfn, unsigned long flags)
{
@@ -195,7 +195,7 @@ static void * __meminit vmemmap_alloc_bl
return p;
}
-pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)
+static pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node)
{
pmd_t *pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd)) {
@@ -208,7 +208,7 @@ pmd_t * __meminit vmemmap_pmd_populate(p
return pmd;
}
-pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)
+static pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node)
{
pud_t *pud = pud_offset(p4d, addr);
if (pud_none(*pud)) {
@@ -221,7 +221,7 @@ pud_t * __meminit vmemmap_pud_populate(p
return pud;
}
-p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)
+static p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node)
{
p4d_t *p4d = p4d_offset(pgd, addr);
if (p4d_none(*p4d)) {
@@ -234,7 +234,7 @@ p4d_t * __meminit vmemmap_p4d_populate(p
return p4d;
}
-pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
+static pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node)
{
pgd_t *pgd = pgd_offset_k(addr);
if (pgd_none(*pgd)) {
_
Patches currently in -mm which might be from chengkaitao@kylinos.cn are
mm-convert-vmemmap_pd_populate-to-static-functions.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-04-23 12:37 UTC | newest]
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