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Thu, 12 Feb 2026 09:58:56 -0800 (PST) MIME-Version: 1.0 References: <20260126065242.1221862-1-youngjun.park@lge.com> In-Reply-To: From: Nhat Pham Date: Thu, 12 Feb 2026 09:58:44 -0800 X-Gm-Features: AZwV_QgcskLGDZ0cxqOCobFTw5foptSrR7UE-fRtklh_9BEelgLMdF8lgW97IBk Message-ID: Subject: Re: [RFC PATCH v2 0/5] mm/swap, memcg: Introduce swap tiers for cgroup based swap control To: Youngjun Park Cc: Andrew Morton , linux-mm@kvack.org, Chris Li , Kairui Song , Kemeng Shi , Baoquan He , Barry Song , Johannes Weiner , Michal Hocko , Roman Gushchin , Shakeel Butt , Muchun Song , gunho.lee@lge.com, taejoon.song@lge.com, austin.kim@lge.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: w9e1en4nqhcpydbmtw6h7tpeysb1mnp1 X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 5F6E9120014 X-HE-Tag: 1770919138-463610 X-HE-Meta: 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 9fi4dBos tCepBt6DOnSElunRehExuja01gHCyxzeXqc1/YLFk2V2AMrPEzEZTinDEOrDCk+a7rJ6oK+tA3dAVo+jf8lkCj4pWTabZiltyd3OlGFSMGvqJ8oeQslXhIUoomTpgjbCKcS8NlbOvwetGQL3ojfyJPbrVhVynxMGUbK0fe+MH7AdRYK6rQRYWG2Zj4+kdkkEPCRj2ND1CkDd4pjxbiRu497WnOMoWF602URuC9wqwHmZg0gCUoTHIB6c7d+u0L2TziJeIWCv+Ko3OaRCcunUPO5vFdV6QZkHaMUxjDCPXdkNekU3sek1N5nYi6hooZ333BKAEnktgOfvRW1BQUOK8rQMN+6SToS0qlKK81cdsOv66ewqQV6ueGFQrUsBEu7WnUCAI+6p8e1MUJVoSoY3c0BBVBsieoleGr+0nfT2sJ8KCirpTmaHoTPfmoHKqBz/OCmZ0 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 Thu, Feb 12, 2026 at 9:57=E2=80=AFAM Nhat Pham wrote= : > > > But otherwise, I assume you mean to restrict child's allowed swap > tiers to be a subset of children and its ancestors? That seems more s/children/parent > straightforward to me than the last system :)