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AJvYcCXfFiaYl2z4uQll/ufGyIyZwGMZ+r99pJV182O7jFUytws39ODaAr4uhCZrNXD0brE499tcikAfJw==@kvack.org X-Gm-Message-State: AOJu0YzNiSH2SugJw+83KQ1UeMcs+8qsMAcj0jkxixA3oOTNIwu9fZBo nFy7RnDQ9dSX3b1JQw2IPy9mg1EK3q2cJLYxV1GBTGegPMODbVXwAAlFIOcKBTGkf1hDrjJPpW5 uIw== X-Google-Smtp-Source: AGHT+IGwBu+onCDNn0Y32ZVpfpCe4rwxG/l9NILnSH55nW3/1oRdipH1Rgb6zMdW9xSxMW4+/zY3xYf4thA= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:9d:3983:ac13:c240]) (user=seanjc job=sendgmr) by 2002:a17:903:448c:b0:20c:c9ac:bd0f with SMTP id d9443c01a7336-2111aef735dmr281325ad.5.1730855354521; Tue, 05 Nov 2024 17:09:14 -0800 (PST) Date: Tue, 5 Nov 2024 17:09:13 -0800 In-Reply-To: Mime-Version: 1.0 References: <20241021173455.2691973-1-roman.gushchin@linux.dev> Message-ID: Subject: Re: [PATCH v2] mm: page_alloc: move mlocked flag clearance into free_pages_prepare() From: Sean Christopherson To: Roman Gushchin Cc: Hugh Dickins , Andrew Morton , linux-mm@kvack.org, Vlastimil Babka , linux-kernel@vger.kernel.org, stable@vger.kernel.org, Matthew Wilcox , Shakeel Butt Content-Type: text/plain; charset="us-ascii" X-Rspamd-Queue-Id: 179D2C000D X-Stat-Signature: kxxjdg9jmn8hy98mci58xurunn6ww8fh X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1730855321-757409 X-HE-Meta: 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 1lJTfd3n 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.002655, 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 Tue, Oct 22, 2024, Roman Gushchin wrote: > On Mon, Oct 21, 2024 at 12:49:28PM -0700, Hugh Dickins wrote: > > On Mon, 21 Oct 2024, Roman Gushchin wrote: > > I don't think there's any need to change your text, but > > let me remind us that any "Bad page" report stops that page from being > > allocated again (because it's in an undefined, potentially dangerous > > state): so does amount to a small memory leak even if otherwise harmless. > > It looks like I need to post v3 as soon as I get a publicly available > syzkaller report, so I'll add this to the commit log. Today is your lucky day :-) https://lore.kernel.org/all/6729f475.050a0220.701a.0019.GAE@google.com