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Tue, 28 Oct 2025 12:54:32 -0700 (PDT) MIME-Version: 1.0 References: <20251028034308.929550-1-bhe@redhat.com> <20251028034308.929550-2-bhe@redhat.com> In-Reply-To: <20251028034308.929550-2-bhe@redhat.com> From: Nhat Pham Date: Tue, 28 Oct 2025 12:54:20 -0700 X-Gm-Features: AWmQ_bmTS3xzv_KgixISSS3LNzmf1rY6tRw5qgG1hb5HXxYOgTaAo9qwond_zlY Message-ID: Subject: Re: [PATCH v5 mm-new 1/2] mm/swap: do not choose swap device according to numa node To: Baoquan He Cc: linux-mm@kvack.org, akpm@linux-foundation.org, chrisl@kernel.org, youngjun.park@lge.com, kasong@tencent.com, baohua@kernel.org, shikemeng@huaweicloud.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: onmx8rnbbsdihz4u3cfb4gmqc16ip48n X-Rspamd-Queue-Id: 070D41C0013 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1761681273-281184 X-HE-Meta: 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 ClMI7ZRl hmeDzP3Y6p5oLZhsoBlLjmMIcU+XEEM98xWFY5E04DQeFVFIMV48/+ZRp4vLifwuXDZAdh+68N6c94gkLaDpyYXmHebxijDP9DWsWpQpoP0F7Yq6XIBvFHOIuD3bhMF817CXBa8QWX58NstlFl9Debkq8bEHu8WQJtfaW7zQJHj6nuQlxnsENYLljPqD0ItgsnGfwYou1NyM4s/1Z4TGBbHqq/i2k4jNnRAE+wFtboFXbegTiCb856yaWxX94InMFy5GyPEHCmAcJBHAP6rxEgSbc7AyrwBWi1pFzkWdVWWlmBKr2LRK6g+yH5uQAtZbJHhqjZe7NKWzT6HfwGAT2oRSUK7nuYAXVg+E8gcnNclNaZSfqO79CyvRUwzmu95oiKAnjNHLx/GGiE6H+nnFpCH50i3ttvsSgDTTFtY5GZJzc5tw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Oct 27, 2025 at 8:43=E2=80=AFPM Baoquan He wrote: > > This reverts commit a2468cc9bfdf ("swap: choose swap device according > to numa node"). > > After this patch, the behaviour will change back to pre-commit > a2468cc9bfdf. Means the priority will be set from -1 then downwards by > default, and when swapping, it will exhault swap device one by one > according to priority from high to low. This is preparation work for > later change. > > [root@hp-dl385g10-03 ~]# swapon > NAME TYPE SIZE USED PRIO > /dev/zram0 partition 16G 16G -1 > /dev/zram1 partition 16G 966.2M -2 > /dev/zram2 partition 16G 0B -3 > /dev/zram3 partition 16G 0B -4 > > Suggested-by: Chris Li > Acked-by: Chris Li > Signed-off-by: Baoquan He LGTM. Acked-by: Nhat Pham