From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 424B93AD509; Wed, 29 Apr 2026 08:55:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777452929; cv=none; b=Tv1t4Wgl11mxjDeYTxV2tdKvf+Et9hy1/9rMubFS/R6ZA3f4XlQ4unJGcBINxd3YguiIU3oEd1ZlvLHFC4fjvMGirYtMg/6MaGTU/x8WPtnEm8XK2O3CyKzGD21rdYKVmJAFtScMUW5LuOCX6LeJ04th4WknK1bGEE0LsHRE+z4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777452929; c=relaxed/simple; bh=BYAsnMF2Q55jJ642xlk+wrPGoiz62bmXpwIrT3ZZNS4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=FYck7u4UrjRsgtKHRRHs5fd3ObJaYDN600906KYZU7hQu8a819TiF82YOwO7qn8wxMK/9zSYOIOzZEwTOSxmM8Qx0CaB2T/AAeEgBdLm5j6j4h3yElgpl4J+9ceZTyJ44o/AkiI9OnXvRIHSxsN9mfT04no64ZHXRNkdUsqQOTw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HBQ+lea/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HBQ+lea/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1CA99C19425; Wed, 29 Apr 2026 08:55:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777452929; bh=BYAsnMF2Q55jJ642xlk+wrPGoiz62bmXpwIrT3ZZNS4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HBQ+lea/rcWyMyjYxlVolA7RNQ0wNGKl2KxlA4SrA63WSTuSaGYpS/3/MQ4E8HsNO BPqCSZyVWNKJJxWhEXuDCUFOICc2F/ZlKoNMsqJW20VhdSKANlhDuhNelRnbKDmiHf sTx3mMCM+m4hI+oOmn9NaPZ6OFNWTLxor3apdkGCCGf+XjXBVJIACuYYtrn79TCSSt CilBb13JbIDnbq9MxVu/HNU5GjJQk3T8rzp96xWZs2j33PZHjtZZoiN64bOLbo1uEx EiaDapt7QYd3ckEbyRrWh/vqK+jWl62wY+gDKzVw8Ubt9AK+m+/GNXvK5dqCqlkwKi 9C11E3XJ2esnw== Message-ID: Date: Wed, 29 Apr 2026 10:55:25 +0200 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 2/3] mm: process_mrelease: skip LRU movement for exclusive file folios To: Minchan Kim , Michal Hocko Cc: Suren Baghdasaryan , akpm@linux-foundation.org, hca@linux.ibm.com, linux-s390@vger.kernel.org, brauner@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, timmurray@google.com References: <20260421230239.172582-1-minchan@kernel.org> <20260421230239.172582-3-minchan@kernel.org> <7c7da8ae-cd39-4edf-b94f-c79ab85df456@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit > > -static bool __oom_reap_task_mm(struct mm_struct *mm) > +static bool __oom_reap_task_mm(struct mm_struct *mm, bool try_evict_file_folios) > { > struct vm_area_struct *vma; > bool ret = true; > @@ -556,12 +556,14 @@ static bool __oom_reap_task_mm(struct mm_struct *mm) > mm, vma->vm_start, > vma->vm_end); > tlb_gather_mmu(&tlb, mm); > + tlb.try_evict_file_folios = try_evict_file_folios; > + struct zap_details details = { .ignore_access = try_evict_file_folios }; > if (mmu_notifier_invalidate_range_start_nonblock(&range)) { > tlb_finish_mmu(&tlb); > ret = false; > continue; > } > - unmap_page_range(&tlb, vma, range.start, range.end, NULL); > + unmap_page_range(&tlb, vma, range.start, range.end, &details); > mmu_notifier_invalidate_range_end(&range); This API was changed in the meantime into zap_vma_for_reaping(), and I do not want to pass details on the new interface. If so, zap_vma_for_reaping() would handle that internally I guess. -- Cheers, David