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AJvYcCUmTGfWONo4rwNXzfH5sxdlGz/0d0xg7XeD3OttZrt85AgdexAHS6ydxgdcsuHzbC79NKgAh8agmw==@kvack.org X-Gm-Message-State: AOJu0YzcFs1uuJZTFhGkKo2AOqmZcYTefg4f/KGF9t8ByPrJ1nCmd0bc 7yq17ZsmIO2z64v27qOqqe+XB14zb1iFaxBYgfjPkPjupccyQeMI X-Google-Smtp-Source: AGHT+IGaJ5I3jhd8u6Rc+VaLUDedYPP3Jk0XoOszt9byWbAg3IGV0rCzxmB/pch4l2jsRnaK3Uqj+Q== X-Received: by 2002:a05:600c:3b26:b0:428:1663:2c2e with SMTP id 5b1f17b1804b1-42acc8e129bmr39780995e9.17.1724525246147; Sat, 24 Aug 2024 11:47:26 -0700 (PDT) Received: from [172.20.10.3] ([148.252.140.93]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3730810fb76sm7188375f8f.8.2024.08.24.11.47.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 24 Aug 2024 11:47:25 -0700 (PDT) Message-ID: <4b3e21e1-d322-49b6-bd72-598c15430c41@gmail.com> Date: Sat, 24 Aug 2024 14:47:21 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RESEND v8 0/2] mm: store zero pages to be swapped out in a bitmap To: Andrew Morton Cc: hannes@cmpxchg.org, shakeel.butt@linux.dev, david@redhat.com, ying.huang@intel.com, hughd@google.com, willy@infradead.org, yosryahmed@google.com, nphamcs@gmail.com, chengming.zhou@linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@meta.com References: <20240823190545.979059-1-usamaarif642@gmail.com> <20240823220648.081970f3fc9fb49f925f15be@linux-foundation.org> Content-Language: en-US From: Usama Arif In-Reply-To: <20240823220648.081970f3fc9fb49f925f15be@linux-foundation.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Stat-Signature: nsfzb574hpf6ssktq15nqnfo4bmkf6w8 X-Rspamd-Queue-Id: 35FDF20016 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1724525247-647887 X-HE-Meta: U2FsdGVkX1+gahlbKIz3jRIREHwvawFuWF0GRfM/TxPvSsRvAX2xn7bCMRmdmc+47QRvqtcZKqSDuxLkTHw9ULe8XUylXak3WzpXGTuLjL57Txw8XQdVifHUUq8ep6gLJE2EZrTs7fcFZcXmaPscmMROTLwLBr5k6ZeDQlp+p0LT+sU/pU3/o7tmFoEDrRYJwNkEQtDhxJDwFHRtVcuwPQ0CMHWZ7SSJQE/Pw27xBcnPnHMy5r8tZZoiT/mAp9wucfuZ4EOF2sFfoaGRUe7nSsiCNQPEjVJVYyl/SyqYEZPFlLi/6VAkZUutrga8utF7jJnJZBvRRGQcE8igsBh3arU8hGxp24XRd0qCtLEYn+Qdi4zvTApW9opfMW7Owt2q91k1SuC/m/oQDdYkF/b9BeP+oz0fncBPPJIztMRvOVYnhYnB0chmYgkjMSlLKSdH8eSqVbhe31Y/iKEiGrPEvhO1zP02v3RsMNllWEpFrm6p1CUSk2ts5IqXH0J/IQVgY4eenHeDZOyhx9ofuBpBIBQkRhZ4T/3KySJEfS7HTj31XP0S+DvS2VeINlE/XEEZNzRZ7xcmbzzRXEcONoXr0UZm51Y1lyjR0JOCQivatfBYZ3r6UObJMiho3XOzVrTnFs8L3CQ5k0b56ELKlSNdhyKzv6HmHEiGcavI0p87hinfIQe3hK2ofY9Y3Ai5YiOdQmjcxHOewOq04ZQwyk8i8yIHByJ6J6W+r5FdadxWV3EJH3dok1Omab9fcQ21RZUtwVliKBsgK2WjVOwBu1fRYnNQVEfAEK4SOBriHMfME9FE/xzyU4YwkC85gPMaEcTHk9aCoo6O9U2wZtNW1L6sjToLVuKdMHMlXVS5W2ldhxC5dQjtgR3IpdCiem9qr5dZrjBa/tVtBBc0ZBsxXcB+kjD5hoR0lzoRnA0jS0auan9PbFhu3OJlFEKGEhfGm4q+YHSPgqbPypLTYQRLWIK ZzAD6yv7 cH7ospnZZlLQ3HM/qQV5z+5dK3P1VLkIZ/2OXYpv21t4jCAb6r2u9OBFCw1rCaqwP+DbkHYUPfu2WrHkMdtD2wycxYeD7ITum4M4R5lOF0lj1CXoN0exXH4NwHLaKp5mgB+SoHSwhLpPecy5D/VuePtOLmOFGAeTisC7OK58rZw1hUtUv3ZE/VQn6yK4hXGopzFQJhig2eyoSkzqasMmq456rzl7dx4NCeOTfAs1DPlA++7vuh6d2VR1msuAPbdXkODH9HTMGpsMP1U3kaUlSMOLfbUEwwp3aKxH6Ivoxt8Qk9YsCU2cYsMLX7TUpgwBBSoVq3QyRoLie2dTOXHI7r4QxoW2lmos/PvbivLvS0U4L9xpVmHZ7j+2d/TYYfjnseQSZ84pNPl7fxYAVsOZe+EZVSg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000163, 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 24/08/2024 01:06, Andrew Morton wrote: > On Fri, 23 Aug 2024 20:04:38 +0100 Usama Arif wrote: > >> Resending it, as the CC had "Huang, Ying" in one of the initial patches, >> and it was rejected by git send-email because of the "," in name. >> >> The original series [1] was almost merged, but was dropped >> due to a last minute bug [2]. Resending this with the fix for it, >> by handling zeromap in the same way as swap_map and cluster_info in >> enable_swap_info, holding swapon_mutex and si->lock, hence avoiding >> a race condition between swapon and any point where the lock is held. >> This is the safest way. >> >> The series had already been reviewed and acked by all maintainers. >> >> Hoping that this attempt goes better than the initial one :) > > Yup ;) > > We're missing the [0/n] words here. I pasted the text from the v1 > series. Please check that it remains the truth, the whole truth and > nothing but the truth. Yes, Thanks! The cover letter remains the same.