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[67.188.95.58]) by smtp.gmail.com with ESMTPSA id s187-20020a625ec4000000b0056b8181861esm5551759pfb.19.2022.11.19.09.36.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Nov 2022 09:36:01 -0800 (PST) Date: Sat, 19 Nov 2022 09:35:59 -0800 From: Minchan Kim To: Nhat Pham Cc: akpm@linux-foundation.org, hannes@cmpxchg.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, ngupta@vflare.org, senozhatsky@chromium.org, sjenning@redhat.com, ddstreet@ieee.org, vitaly.wool@konsulko.com Subject: Re: [PATCH v6 6/6] zsmalloc: Implement writeback mechanism for zsmalloc Message-ID: References: <20221119001536.2086599-1-nphamcs@gmail.com> <20221119001536.2086599-7-nphamcs@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221119001536.2086599-7-nphamcs@gmail.com> ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1668879362; a=rsa-sha256; cv=none; b=HZqoMn66gzQ0UDkT9zl8/MIUrCfX1ZJh9owpHvZCWejoSB0LOw3TbTrxt+MbkGzDeeAWuV 9+AUyW8htsH00Ut2OEEO9ehXuI0lh+TFrkYx78KsfqkslSq9qlji4YCyY4n9/91LWOzllu TH2K1fDS4jPZwZ65DNd4aaks92Kwf0k= ARC-Authentication-Results: i=1; imf04.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b="KHt/rbjb"; spf=pass (imf04.hostedemail.com: domain of minchan.kim@gmail.com designates 209.85.215.180 as permitted sender) smtp.mailfrom=minchan.kim@gmail.com; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=kernel.org (policy=none) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1668879362; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=pLW4Z0w9rkUJ7IXSXGwPNuOYY+1w9O7kTD/y1ul2a3E=; b=DNqJGVfSt5jBhdEViUxZU5IzFiN3UFZF5H9DcV/p7es2Smb+9Z1fJHGsDAK8NzbS94C95I yBb++V9fAItCHqvEP7UOMgn7V0g8OPEMqW53lJ29ekJ+SojITr8z8Rw/KHJl+EOM2qg7pa BOOdut9inSs5eDBSUDO3aJFENaj26Eg= X-Stat-Signature: 9rquouih3rf9tkbspwjxxc8jjk5yhu5w X-Rspamd-Queue-Id: 9780040008 Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b="KHt/rbjb"; spf=pass (imf04.hostedemail.com: domain of minchan.kim@gmail.com designates 209.85.215.180 as permitted sender) smtp.mailfrom=minchan.kim@gmail.com; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=kernel.org (policy=none) X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1668879362-931781 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000006, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Nov 18, 2022 at 04:15:36PM -0800, Nhat Pham wrote: > This commit adds the writeback mechanism for zsmalloc, analogous to the > zbud allocator. Zsmalloc will attempt to determine the coldest zspage > (i.e least recently used) in the pool, and attempt to write back all the > stored compressed objects via the pool's evict handler. > > Signed-off-by: Nhat Pham Acked-by: Minchan Kim Thanks.