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b=jGQNHSLJaRMpNWaKocOb5kVC1u8T6ym5tspwQCNo28G8KEHUB0n+aWcXjBr/AAsvC b6XmShoXN0W7vdh2RQ48t8St2Lt9hfRfa59KmbMo1dfPsBFt8ZZMKAdpXfi14186sj MPwCRI8MViVbDQY4mc/ZbRbTv09loMvCd0GPh6PH3bvQAc0ZekrECsHw/VTfdWizCq CFP75JSOGM7L8zCGtidO+1vz2Lt9em12PIE2im7h4CkpT2+sNwlYla6G1CjketcsG3 Fio09EVTMRbJn0zG9342FQtwikFjc9ymAX02BhIujq+ilEF7U+c/P2v2D3zv93g6gB NgPgGU21JZY9g== From: Sasha Levin To: stable@vger.kernel.org Cc: Sasha Levin , dipietro.salvatore@gmail.com, Andrew Morton , Vlastimil Babka , Johannes Weiner , linux-mm@kvack.org, Salvatore Dipietro Subject: Re: [PATCH 6.18.y 0/3] mm/page_alloc: fix iomap buffered write regression from 5d8edfb900d5 Date: Sat, 14 Nov 2026 12:42:22 -0500 Message-ID: X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261113110259.2901456-1-dipiets@amazon.it> References: <20261113110259.2901456-1-dipiets@amazon.it> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: AECAF16000B X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=4.0.1 X-Stat-Signature: ouxq88atnrq46o1drjaxqqx5664zstic X-HE-Tag: 1794678159-713722 X-HE-Meta: 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 lwRyN7+f bejIbWTBgwTRUEZOPCVbBMx5wegu42NaiAJK1KtVTa66vRiA8XmIYgEo900AZTr5WdOaIeZsHGM8bBlRIXjubJ4+31ZFT0P33IzgL00G1tucam1MI1ta/u6Dy3bbicJiXT//ROlrsjOqbQ88jNwNZ8tX71ZkG4pQAH/fHxaRbiHBs7Z8VzGlSH16YFHSyLyTmksFdfhWVbe2VFiA91OyuS6kOWuQ9juV/k5mDGpWRWX8cHBieQs4ezmP2q2PMeCnomab72geMX8rUu3BqYqoJhNnfw5lNDdcdqDhvP36ZKRrw8yriA4jgmYlFm3JXYcuOo4ip8ib8U7SZPb1HjOniihpYkxAlMghz2Ly/il6SXpl3FTY= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 2026-11-13, Salvatore Dipietro wrote: > Patches 1-2 are its prerequisites from the same mainline merge (Cc: > stable), only moved from mm/page_alloc.h to mm/internal.h. 6ee3d87b9408 ("mm: page_alloc: do not give all non-blocking requests reserve access") is now queued for 6.18, 6.12, 6.6, 6.1 and 5.15 from a separate backport, so you can leave it out. A v2 only needs fe21f930d1e6 ("mm: page_alloc: remove ALLOC_NON_BLOCK from ALLOC_RESERVES") and 0e05a469c294 ("mm/page_alloc: avoid direct reclaim and compaction for costly __GFP_NORETRY allocations"), with your Signed-off-by on both. -- Thanks, Sasha