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Message-ID: <20250627115510.3273675-1-david@redhat.com>
Date: Fri, 27 Jun 2025 13:55:06 +0200
From: David Hildenbrand <david@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org,
David Hildenbrand <david@...hat.com>,
Andrew Morton <akpm@...ux-foundation.org>,
"Liam R. Howlett" <Liam.Howlett@...cle.com>,
Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
Vlastimil Babka <vbabka@...e.cz>,
Jann Horn <jannh@...gle.com>,
Mike Rapoport <rppt@...nel.org>,
Suren Baghdasaryan <surenb@...gle.com>,
Michal Hocko <mhocko@...e.com>,
Zi Yan <ziy@...dia.com>,
Matthew Brost <matthew.brost@...el.com>,
Joshua Hahn <joshua.hahnjy@...il.com>,
Rakie Kim <rakie.kim@...com>,
Byungchul Park <byungchul@...com>,
Gregory Price <gourry@...rry.net>,
Ying Huang <ying.huang@...ux.alibaba.com>,
Alistair Popple <apopple@...dia.com>,
Pedro Falcato <pfalcato@...e.de>,
Rik van Riel <riel@...riel.com>,
Harry Yoo <harry.yoo@...cle.com>
Subject: [PATCH v1 0/4] mm: folio_pte_batch() improvements
Ever since we added folio_pte_batch() for fork() + munmap() purposes,
a lot more users appeared (and more are being proposed), and more
functionality was added.
Most of the users only need basic functionality, and could benefit from
a non-inlined version.
So let's clean up folio_pte_batch() and split it into a basic
folio_pte_batch() (no flags) and a more advanced folio_pte_batch_ext().
Using either variant will now look much cleaner.
This series will likely conflict with some changes in some
(old+new) folio_pte_batch() users, but conflicts should be trivial to
resolve.
Tested on x86-64. Cross-compile tested.
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: "Liam R. Howlett" <Liam.Howlett@...cle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
Cc: Vlastimil Babka <vbabka@...e.cz>
Cc: Jann Horn <jannh@...gle.com>
Cc: Mike Rapoport <rppt@...nel.org>
Cc: Suren Baghdasaryan <surenb@...gle.com>
Cc: Michal Hocko <mhocko@...e.com>
Cc: Zi Yan <ziy@...dia.com>
Cc: Matthew Brost <matthew.brost@...el.com>
Cc: Joshua Hahn <joshua.hahnjy@...il.com>
Cc: Rakie Kim <rakie.kim@...com>
Cc: Byungchul Park <byungchul@...com>
Cc: Gregory Price <gourry@...rry.net>
Cc: Ying Huang <ying.huang@...ux.alibaba.com>
Cc: Alistair Popple <apopple@...dia.com>
Cc: Pedro Falcato <pfalcato@...e.de>
Cc: Rik van Riel <riel@...riel.com>
Cc: Harry Yoo <harry.yoo@...cle.com>
David Hildenbrand (4):
mm: convert FPB_IGNORE_* into FPB_HONOR_*
mm: smaller folio_pte_batch() improvements
mm: split folio_pte_batch() into folio_pte_batch() and
folio_pte_batch_ext()
mm: remove boolean output parameters from folio_pte_batch_ext()
mm/internal.h | 110 +++++++++++++++++++++++++++----------------------
mm/madvise.c | 27 +++---------
mm/memory.c | 21 ++++------
mm/mempolicy.c | 5 +--
mm/mlock.c | 4 +-
mm/mremap.c | 4 +-
mm/rmap.c | 4 +-
mm/util.c | 29 +++++++++++++
8 files changed, 105 insertions(+), 99 deletions(-)
base-commit: 0051fec1d393b659ffee707f869f8ffe4d1632e2
--
2.49.0
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