* + mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch added to mm-new branch
@ 2025-07-18 21:12 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2025-07-18 21:12 UTC (permalink / raw)
To: mm-commits, ryan.roberts, npache, matthew.brost, lorenzo.stoakes,
liam.howlett, k.shutemov, hughd, dev.jain, david, dan.carpenter,
baolin.wang, baohua, balbirs, antonio, ziy, akpm
The patch titled
Subject: mm/huge_memory: remove after_split label in __split_unmapped_folio()
has been added to the -mm mm-new branch. Its filename is
mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.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.
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: Zi Yan <ziy@nvidia.com>
Subject: mm/huge_memory: remove after_split label in __split_unmapped_folio()
Date: Fri, 18 Jul 2025 14:37:16 -0400
Check stop_split instead to avoid the goto statement.
Link: https://lkml.kernel.org/r/20250718183720.4054515-3-ziy@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Antonio Quartulli <antonio@mandelbit.com>
Cc: Balbir Singh <balbirs@nvidia.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <k.shutemov@gmail.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Mariano Pache <npache@redhat.com>
Cc: Mathew Brost <matthew.brost@intel.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/huge_memory.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/mm/huge_memory.c~mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio
+++ a/mm/huge_memory.c
@@ -3463,18 +3463,18 @@ static int __split_unmapped_folio(struct
if (xas_error(xas)) {
ret = xas_error(xas);
stop_split = true;
- goto after_split;
}
}
}
- folio_split_memcg_refs(folio, old_order, split_order);
- split_page_owner(&folio->page, old_order, split_order);
- pgalloc_tag_split(folio, old_order, split_order);
+ if (!stop_split) {
+ folio_split_memcg_refs(folio, old_order, split_order);
+ split_page_owner(&folio->page, old_order, split_order);
+ pgalloc_tag_split(folio, old_order, split_order);
- __split_folio_to_order(folio, old_order, split_order);
+ __split_folio_to_order(folio, old_order, split_order);
+ }
-after_split:
/*
* Iterate through after-split folios and update folio stats.
* But in buddy allocator like split, the folio
_
Patches currently in -mm which might be from ziy@nvidia.com are
selftests-mm-fix-split_huge_page_test-for-folio_split-tests.patch
mm-huge_memory-move-unrelated-code-out-of-__split_unmapped_folio.patch
mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch
mm-huge_memory-deduplicate-code-in-__folio_split.patch
mm-huge_memory-convert-vm_bug-to-vm_warn-in-__folio_split.patch
mm-huge_memory-get-frozen-folio-refcount-with-folio_expected_ref_count.patch
mm-huge_memory-refactor-after-split-page-cache-code.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
* + mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch added to mm-new branch
@ 2025-07-20 0:47 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2025-07-20 0:47 UTC (permalink / raw)
To: mm-commits, ryan.roberts, npache, matthew.brost, lorenzo.stoakes,
liam.howlett, k.shutemov, hughd, dev.jain, david, dan.carpenter,
baolin.wang, baohua, balbirs, antonio, ziy, akpm
The patch titled
Subject: mm/huge_memory: remove after_split label in __split_unmapped_folio()
has been added to the -mm mm-new branch. Its filename is
mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.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.
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: Zi Yan <ziy@nvidia.com>
Subject: mm/huge_memory: remove after_split label in __split_unmapped_folio()
Date: Thu, 17 Jul 2025 22:29:56 -0400
Checking stop_split instead to avoid the goto statement.
Link: https://lkml.kernel.org/r/20250718023000.4044406-3-ziy@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Antonio Quartulli <antonio@mandelbit.com>
Cc: Balbir Singh <balbirs@nvidia.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Barry Song <baohua@kernel.org>
Cc: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <k.shutemov@gmail.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Mariano Pache <npache@redhat.com>
Cc: Mathew Brost <matthew.brost@intel.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/huge_memory.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
--- a/mm/huge_memory.c~mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio
+++ a/mm/huge_memory.c
@@ -3463,18 +3463,18 @@ static int __split_unmapped_folio(struct
if (xas_error(xas)) {
ret = xas_error(xas);
stop_split = true;
- goto after_split;
}
}
}
- folio_split_memcg_refs(folio, old_order, split_order);
- split_page_owner(&folio->page, old_order, split_order);
- pgalloc_tag_split(folio, old_order, split_order);
+ if (!stop_split) {
+ folio_split_memcg_refs(folio, old_order, split_order);
+ split_page_owner(&folio->page, old_order, split_order);
+ pgalloc_tag_split(folio, old_order, split_order);
- __split_folio_to_order(folio, old_order, split_order);
+ __split_folio_to_order(folio, old_order, split_order);
+ }
-after_split:
/*
* Iterate through after-split folios and update folio stats.
* But in buddy allocator like split, the folio
_
Patches currently in -mm which might be from ziy@nvidia.com are
selftests-mm-fix-split_huge_page_test-for-folio_split-tests.patch
mm-huge_memory-move-unrelated-code-out-of-__split_unmapped_folio.patch
mm-huge_memory-remove-after_split-label-in-__split_unmapped_folio.patch
mm-huge_memory-deduplicate-code-in-__folio_split.patch
mm-huge_memory-convert-vm_bug-to-vm_warn-in-__folio_split.patch
mm-huge_memory-get-frozen-folio-refcount-with-folio_expected_ref_count.patch
mm-huge_memory-refactor-after-split-page-cache-code.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
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