From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794678159; b=FRT0+0Wc+kXl6uYgsYiwr4Q5RYlxxqZpQOSgPlpGGK/fxj82paEvoiCfaB27jVxAVTBc On37YOE9+1hL4D6uj/7MWI1Q0owKfCAumGssNPuMrcInfUAcQcp5btMgfQBhDDxqD45cJ hCX+/NhJ1eCxmqkbj7IClo5fWAAt9ltjfjTesQMd0YtoREAK7AU2G9LAdBjUcS+Lq70Ac dPdTEl2Q2+QcD1GVXfYE2vwEQ7IrK8QPSqUyYWLHIAO9FHUzuuQFslaMDFzbZ6QE3wOHv GKOUNx/F8/fNMeBiKt52oRq7x1gLZMtW50g9TPYVtE0WyG5hkkzKZxkm/Fha6C1dcdg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794678159; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=gqa0FzeWxF+NdVIavyzYQpx7SrVw5PS23jn8ZooNPKo=; b=zmxZvxBBTwA/83X53drRmM/RKNV5HZ99WGWB0/2w2g6PiRPcHIC6bm991kKtPy95pYBS W2FYCioEX6DiaDSvlmv3/QSSNdwG9eizOv6hs526vNB26I3w/vjwsKeNp906+mm72rpuN Fl8uOi3DmFiWZlzw1HXXN71bnhZTYDgaDxuQrx26iWIXYJL/K8SqOxrR6bcMeswdf8j+Z Kd+kqcHt2wbNYPXDiavaZ7bKE0Fz3MwmxzHCspo3eGC/VI0EYrOK9EVpQ7BWrW0qKrEYQ n0ndk1hvXhCdrzSJceYct4T5EKwwFURWs+3R7jITIZ7r9cZt+rIGfaF0BNZDwidbUQA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=jGQNHSLJ; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F337F606A8B8 for ; Sat, 14 Nov 2026 17:42:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=jGQNHSLJ Received: by smtp.kernel.org (Postfix) with ESMTPSA id E43381F000C5; Sat, 14 Nov 2026 17:42:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794678158; bh=gqa0FzeWxF+NdVIavyzYQpx7SrVw5PS23jn8ZooNPKo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; 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-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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