From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Hugh Dickins <hughd@google.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Ackerley Tng <ackerleytng@google.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Barry Song <baohua@kernel.org>,
Binbin Wu <binbin.wu@linux.intel.com>,
Christian Brauner <brauner@kernel.org>,
Christoph Hellwig <hch@lst.de>, Christoph Lameter <cl@gentwo.org>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
JP Kobryn <jp.kobryn@linux.dev>, Jan Kara <jack@suse.cz>,
Jens Axboe <axboe@kernel.dk>,
Johannes Weiner <hannes@cmpxchg.org>,
Kairui Song <ryncsn@gmail.com>, Kiryl Shutsemau <kas@kernel.org>,
Lance Yang <lance.yang@linux.dev>,
Leonardo Bras <leobras.c@gmail.com>,
Lorenzo Stoakes <ljs@kernel.org>,
Marcelo Tosatti <mtosatti@redhat.com>,
Matthew Wilcox <willy@infradead.org>,
Mel Gorman <mgorman@techsingularity.net>,
Miaohe Lin <linmiaohe@huawei.com>, Michal Hocko <mhocko@suse.com>,
Minchan Kim <minchan@kernel.org>,
Muchun Song <muchun.song@linux.dev>,
Oscar Salvador <osalvador@suse.de>,
Peter Zijlstra <peterz@infradead.org>,
Qi Zheng <qi.zheng@linux.dev>, Rik van Riel <riel@surriel.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Shakeel Butt <shakeel.butt@linux.dev>,
Suren Baghdasaryan <surenb@google.com>,
Vlastimil Babka <vbabka@kernel.org>,
Yang Shi <yang@os.amperecomputing.com>,
Yu Zhao <yuzhao@google.com>, Zach O'Keefe <zokeefe@google.com>,
Zi Yan <ziy@nvidia.com>,
linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH alt 13/25] mm/fbatch: no lru_add_drain() to collect_longterm_unpinnable_folios()
Date: Mon, 24 Aug 2026 20:42:41 +0200 [thread overview]
Message-ID: <5d42fbfa-1cc3-4161-8ba0-7318267576a1@kernel.org> (raw)
In-Reply-To: <333bb765-a36d-e07e-d3c4-5ea2f1cadfcb@google.com>
On 8/24/26 16:55, Hugh Dickins wrote:
> collect_longterm_unpinnable_folios() has no use for lru_add_drain() nor
> lru_add_drain_all(), now that the per-cpu fbatch references are gone.
> So remove the recently added lru_cache_drain_for_folio().
>
> Signed-off-by: Hugh Dickins <hughd@google.com>
> ---
> Alternate version for use once David Hildenbrand's two commits
> here have been pulled from mm.git into linux.git for 7.3-rc1.
For 7.4 we expect another user of the helper in KVM guest_memfd code (the
primary reason why we introduce the helper), so depending on when this series is
ready it will just remove that user as well, or we'll need some coordination
between trees.
--
Cheers,
David
next prev parent reply other threads:[~2026-08-24 18:42 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-24 13:49 [PATCH 00/25] mm/fbatch: drain lru_add_drain() and _all() Hugh Dickins
2026-08-24 13:52 ` [PATCH 01/25] mm/fbatch: remove !CONFIG_SMP special case of folio_activate() Hugh Dickins
2026-08-24 13:55 ` [PATCH 02/25] mm/fbatch: allow folios_put_refs() to skip xa_is_value() entries Hugh Dickins
2026-08-24 13:58 ` [PATCH 03/25] mm/fbatch: temporarily disable lazyfree and mlock+munlock batching Hugh Dickins
2026-08-24 14:01 ` [PATCH 04/25] mm/fbatch: lru bit set, no extra ref, while folio on per-cpu fbatch Hugh Dickins
2026-08-24 14:03 ` [PATCH 05/25] mm/fbatch: lru_add_del_folio()+folio_add_lru() after clear_lru() Hugh Dickins
2026-08-24 14:06 ` [PATCH 06/25] mm/fbatch: fbatch_drain_lazyfree(onstack fbatch) before ptl unlock Hugh Dickins
2026-08-24 14:09 ` [PATCH 07/25] mm/fbatch: LRU_NEXT_ACTIVATE bit to optimize folio_activate() Hugh Dickins
2026-08-24 14:11 ` [PATCH 08/25] mm/fbatch: replace mlock_new_folio() by __folio_add_lru(,mlockit) Hugh Dickins
2026-08-24 14:14 ` [PATCH 09/25] mm/fbatch: restore mlock+munlock batching, without extra ref Hugh Dickins
2026-08-24 14:16 ` [PATCH 10/25] mm/fbatch: remove several uses of mlock_drain_local() Hugh Dickins
2026-08-24 14:18 ` [PATCH 11/25] mm/fbatch: remove migration's PAGE_WAS_MLOCKED lru_add_drain() Hugh Dickins
2026-08-24 14:20 ` [PATCH 12/25] mm/fbatch: remove percpu_pvec_drained and folios_put() Hugh Dickins
2026-08-24 14:23 ` [PATCH 13/25] mm/fbatch: no lru_add_drain() to collect_longterm_unpinnable_folios() Hugh Dickins
2026-08-24 14:55 ` [PATCH alt " Hugh Dickins
2026-08-24 18:42 ` David Hildenbrand (Arm) [this message]
2026-08-24 14:25 ` [PATCH 14/25] mm/fbatch: no lru_add_drain() nor _all() for memfd_wait_for_pins() Hugh Dickins
2026-08-24 14:27 ` [PATCH 15/25] mm/fbatch: remove shake_folio() shake_page() from memory-failure Hugh Dickins
2026-08-24 14:30 ` [PATCH 16/25] mm/fbatch: remove lru_cache_disable(() from NUMA folio migration Hugh Dickins
2026-08-24 14:32 ` [PATCH 17/25] mm/fbatch: no lru_cache_disable() in __alloc_contig_migrate_range() Hugh Dickins
2026-08-24 14:34 ` [PATCH 18/25] mm/fbatch: remove lru_add_drain() and _all() calls from various Hugh Dickins
2026-08-24 14:36 ` [PATCH 19/25] mm/fbatch: vm/stat_refresh include lru_add_drain() on each cpu Hugh Dickins
2026-08-24 14:39 ` [PATCH 20/25] s390/fbatch: no lru_add_drain_all() in s390_wiggle_split_folio() Hugh Dickins
2026-08-24 14:41 ` [PATCH 21/25] block/fbatch: no lru_add_drain_all() in invalidate_bdev() Hugh Dickins
2026-08-24 14:44 ` [PATCH 22/25] fs/fbatch: drop_caches invalidate_bh_lrus() not lru_add_drain_all() Hugh Dickins
2026-08-24 14:47 ` [PATCH 23/25] fs,mm/fbatch: use invalidate_bh_lrus() not invalidate_bh_lrus_cpu() Hugh Dickins
2026-08-24 14:49 ` [PATCH 24/25] fs,mm/fbatch: lru_cache_disable() keep off buffer_head lrus only Hugh Dickins
2026-08-24 14:51 ` [PATCH 25/25] mm/fbatch: move lru_add_drain_all() declaration to mm/internal.h Hugh Dickins
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