From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yin Fengwei Subject: Re: [PATCH v1 00/10] variable-order, large folios for anonymous memory Date: Thu, 29 Jun 2023 07:59:24 +0800 Message-ID: References: <20230626171430.3167004-1-ryan.roberts@arm.com> <1fb0c4cb-a709-de20-d643-32ed43550059@arm.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1687996790; x=1719532790; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=1+OeyyHHyne3JXkmRuJel0Pw2Z9Ooa48wSggUjOTeTo=; b=aQPNtXRobwtfHoSPuua24rS7y9zvEa4b0yienzPPVkwlPQGCMuiNJOfr U6crJ0hJ8AgjP11MetcZkZz7pL4sJuG0bU4K3s/qnNVnYH9+89Bs2dKx3 r6j4x5gDjSLELyRD4ON8aAY4hTETkKakfXpC0B19uXiIZRlPBPPRCSOoa 5Q742i68eTqPdmzaIQcYRIib/ycq1PCr6hVRhpF9NBU0JeWu4o44mxsQh NkT3GmZXwZt3u3sTcubFnb1oJnDyjnCK6VIUzrTmocKzDsHuWKgKaAXep 8mnoXlMKTmfxtRbXBoguPbLkECNV5WH0EMze2/mUTad2ke8H3WmMNUFXT A==; Content-Language: en-US In-Reply-To: List-ID: Content-Type: text/plain; charset="us-ascii" To: Yu Zhao , Ryan Roberts Cc: Andrew Morton , "Matthew Wilcox (Oracle)" , "Kirill A. Shutemov" , David Hildenbrand , Catalin Marinas , Will Deacon , Geert Uytterhoeven , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org Hi Yu, On 6/29/23 02:22, Yu Zhao wrote: > And please make sure it's disabled by default, because we are still > missing many important functions, e.g., I don't think we can mlock() > when large() && !pmd_mappable(), see mlock_pte_range() and > mlock_vma_folio(). We can fix it along with many things later, but we > need to present a plan and a schedule now. Otherwise, there would be > pushback if we try to land the series without supporting mlock(). > > Do you or Fengwei plan to take on it? (I personally don't.) If not, Do you mean the mlock() with large folio? Yes. I can work on it. Thanks. Regards Yin, Fengwei > I'll try to find someone from our team to look at it. (It'd be more > scalable if we have a coordinated group of people individually solving > different problems.) 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We can fix it along with many things later, but we > need to present a plan and a schedule now. Otherwise, there would be > pushback if we try to land the series without supporting mlock(). > > Do you or Fengwei plan to take on it? (I personally don't.) If not, Do you mean the mlock() with large folio? Yes. I can work on it. Thanks. Regards Yin, Fengwei > I'll try to find someone from our team to look at it. (It'd be more > scalable if we have a coordinated group of people individually solving > different problems.) 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Yu, On 6/29/23 02:22, Yu Zhao wrote: > And please make sure it's disabled by default, because we are still > missing many important functions, e.g., I don't think we can mlock() > when large() && !pmd_mappable(), see mlock_pte_range() and > mlock_vma_folio(). We can fix it along with many things later, but we > need to present a plan and a schedule now. Otherwise, there would be > pushback if we try to land the series without supporting mlock(). > > Do you or Fengwei plan to take on it? (I personally don't.) If not, Do you mean the mlock() with large folio? Yes. I can work on it. Thanks. Regards Yin, Fengwei > I'll try to find someone from our team to look at it. (It'd be more > scalable if we have a coordinated group of people individually solving > different problems.) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel