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Merge patch series "mm: improve write performance with RWF_DONTCACHE"

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Jeff Layton <jlayton@kernel.org> says:

This patch series is intended to improve write performance with
RWF_DONTCACHE. This version fixes additional stat accounting issues
found during review: integer promotion on 32-bit, cgroup writeback
domain migration, folio split flag preservation, and a UAF that could
occur in filemap_dontcache_kick_writeback().

* patches from https://patch.msgid.link/20260511-dontcache-v7-0-2848ddce8090@kernel.org:
  mm: kick writeback flusher for IOCB_DONTCACHE with targeted dirty tracking
  mm: track DONTCACHE dirty pages per bdi_writeback
  mm: preserve PG_dropbehind flag during folio split

Link: https://patch.msgid.link/20260511-dontcache-v7-0-2848ddce8090@kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner 2026-06-04 10:18:25 +02:00
commit 0275dc184a
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7 changed files with 94 additions and 7 deletions
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