From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7F4EE7F6 for ; Fri, 30 Aug 2024 01:11:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724980285; cv=none; b=X6P7p/QUb00bExuQq6Q78c0cDM/8K/nzOPAOGtBm/K+cqA/ynT1Iy+J2/3oAjeJDIyhbgx/jdDMePDDJrLJBh5GXmcuF1XhR/8tk7RoSAN2SUlp0PEuB6bqnZ8NJsEYL6V57exJFwC75fHHfdH6P7BcOo9TafPzgjdQ6APxDoHs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724980285; c=relaxed/simple; bh=MrgzYaNv9tfxCz/b25set1/A6ngJCYD0Yc3OqKIklYc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OUyOMdLaQF6IfslSPou0yYKTsBklrsURserF5FcnBRpCEV2X3ati+l1/ShOLtUjS94Xxf5bpnmUA/0QbUlw8RtiBO4uywUsfzKtGYQX/VE6/TZ0uWgCaX7KcSFU1grV8kgaow/Dk63/97U6pbW5vZrDsmwSh8V/+R+UcYegr6BA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com; spf=pass smtp.mailfrom=rivosinc.com; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b=wG/GnapE; arc=none smtp.client-ip=209.85.210.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rivosinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=rivosinc-com.20230601.gappssmtp.com header.i=@rivosinc-com.20230601.gappssmtp.com header.b="wG/GnapE" Received: by mail-pf1-f173.google.com with SMTP id d2e1a72fcca58-71423273c62so1053918b3a.0 for ; Thu, 29 Aug 2024 18:11:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1724980282; x=1725585082; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=Tq7LnGnCY31W8p33KfA4sDocR34ueQ+QZ1h3PRF4p6w=; b=wG/GnapEwLHbEyKcJmzxvKtRGmYjwGVysg7PJHif3TqN8a56GUiYQQAEi1x1py/YTA FV8qOSmf7cCUDSAYsgWssRsqgwgjT+R+C3lw5AcW/D4F3WB8DP3glfG4Ox25MLA2d57l cN8mBspujDVd4gdg7iDR1eSRtVj4b7VDzIbpU8W4LGXYuodYbjWLiB8LBavzFwpGPMtZ YodNZWH3+K7o8gza9mJmw2lbJTYFBzCX/Zi2Y38frEDDG6PxqXtloZjl1Kl2RW0UiLlR TblUInA9DOnSmUVJZfpRVWt3wgpNcR26OgnEe0zyhCji44W3zhItWcjNckWQx4Ev0rYM /NTQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724980282; x=1725585082; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Tq7LnGnCY31W8p33KfA4sDocR34ueQ+QZ1h3PRF4p6w=; b=YlDgcixxzTTOSZbHsabnwMXQDoit+++ySkuxU7W73m15Fb+w7U+9A1v01u4YuP6toh iY53e3WjR13ZXOoswh3O9rPkhXP5hI9yhbJBCWM9bMAvRr0obpBGAxeYnWANGwft6pG+ oHWEHDLBmBqgbzzvydaDdv/M6B/vwpyVQlazVIlqDi1fEqpdcxa4FFtqdXO4ypCGJX1T GT6XuJGt6EtyvOSGp3M2Xo2Wdjkn9T91R+icB+0C63Zaze0SUk9UN3eg7/aT7P04Jh8T dmY1XsjzWPMkBO3qnFQf3xPRDd7Ho9VyspcD5uHllrQtxzXCuPSzgYsjs/5L9TLthXwX LA4g== X-Forwarded-Encrypted: i=1; AJvYcCV/9jGoN5ow5DPH/ojff7M2OcqvP3Z6PEtQdAQkah+Lkft+ysXvZ+iONxLo53e5omAoOL9vSeivWTBBrw==@vger.kernel.org X-Gm-Message-State: AOJu0YwRPbdkIR4RyXniN9loIjYPasQfSGbE23opDGcWqhK2EXWokjhg 6UEGWSI1h82tbGSpw3kOsTXtEnkcRWN93FUtvGo3wLSUfCpCdF5ALofgwgOco88= X-Google-Smtp-Source: AGHT+IE/hxSbHJa0ey/qUAU4qMZr2Egy89hZiorh32Md7TMXE2itSwqfJ21BnW0A2NKOMSU/XYMAJQ== X-Received: by 2002:a05:6a20:c78e:b0:1c0:e49a:6900 with SMTP id adf61e73a8af0-1cce0fea52bmr4390650637.7.1724980281696; Thu, 29 Aug 2024 18:11:21 -0700 (PDT) Received: from ghost ([50.145.13.30]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2d8445e8f72sm4900654a91.20.2024.08.29.18.11.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Aug 2024 18:11:21 -0700 (PDT) Date: Thu, 29 Aug 2024 18:11:17 -0700 From: Charlie Jenkins To: Lorenzo Stoakes Cc: Arnd Bergmann , Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Guo Ren , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Andreas Larsson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Muchun Song , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Shuah Khan , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH RFC v2 2/4] mm: Add hint and mmap_flags to struct vm_unmapped_area_info Message-ID: References: <20240829-patches-below_hint_mmap-v2-0-638a28d9eae0@rivosinc.com> <20240829-patches-below_hint_mmap-v2-2-638a28d9eae0@rivosinc.com> <0454187e-3e01-4af7-b193-07468ffa8934@lucifer.local> Precedence: bulk X-Mailing-List: linux-alpha@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0454187e-3e01-4af7-b193-07468ffa8934@lucifer.local> On Thu, Aug 29, 2024 at 09:48:44AM +0100, Lorenzo Stoakes wrote: > On Thu, Aug 29, 2024 at 12:15:59AM GMT, Charlie Jenkins wrote: > > [snip] > > > diff --git a/mm/mmap.c b/mm/mmap.c > > index d0dfc85b209b..34ba0db23678 100644 > > --- a/mm/mmap.c > > +++ b/mm/mmap.c > > @@ -1796,6 +1796,9 @@ generic_get_unmapped_area(struct file *filp, unsigned long addr, > > struct vm_unmapped_area_info info = {}; > > const unsigned long mmap_end = arch_get_mmap_end(addr, len, flags); > > > > + info.hint = addr; > > + info.mmap_flags = flags; > > + > > if (len > mmap_end - mmap_min_addr) > > return -ENOMEM; > > > > @@ -1841,6 +1844,9 @@ generic_get_unmapped_area_topdown(struct file *filp, unsigned long addr, > > struct vm_unmapped_area_info info = {}; > > const unsigned long mmap_end = arch_get_mmap_end(addr, len, flags); > > > > + info.hint = addr; > > + info.mmap_flags = flags; > > + > > /* requested length too big for entire address space */ > > if (len > mmap_end - mmap_min_addr) > > return -ENOMEM; > > > > These line numbers suggest you're working against Linus's tree, mm/mmap.c > has changed a lot recently, so to avoid conflicts please base your changes > on mm-unstable in Andrew's tree (if looking to go through that) or at least > -next. I will make sure that I base off of mm-unstable for future revisions. - Charlie > > > -- > > 2.45.0 > > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7DFF1CA0ECC for ; Fri, 30 Aug 2024 01:11:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZCK2QQ4yR570cvkezPwti5nbh73slqxL+p4OkjyqbKs=; b=w9/IwkohWJIVyY alZMBKY9sCb+08hK9ESPmKnoyWYCPGEG+V7fEAv9WSmoAbke8ixtUjERLbF8ZMfqt0Rhek52OFTbD XQ4ZEVEvezE1A6W8XxMAN6uRTga07Bxn/ct9FDuphfpwOHOonrVFdWawgDJiUHV+TdxM7b1wDJylw B2whKokpzkesG9StIlbXogZJqKn51x7Y9CvT43aY028ac8mH07RhHJruov1yvKkImZGay/CeOyXC4 186KNiNG9fIu9SRphYKJlm/USPW8xbgR2YgHZPtusDDlDeKzGge+XYhPLe5gJrfRjASQ1zOu2qURA Yeooo0Zf+XF8myGKjk2w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjqAj-00000004FsM-09pD; Fri, 30 Aug 2024 01:11:29 +0000 Received: from mail-pf1-x42f.google.com ([2607:f8b0:4864:20::42f]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjqAd-00000004FpQ-0TkG for linux-snps-arc@lists.infradead.org; Fri, 30 Aug 2024 01:11:26 +0000 Received: by mail-pf1-x42f.google.com with SMTP id d2e1a72fcca58-714262f1bb4so1066363b3a.3 for ; Thu, 29 Aug 2024 18:11:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1724980282; x=1725585082; darn=lists.infradead.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=Tq7LnGnCY31W8p33KfA4sDocR34ueQ+QZ1h3PRF4p6w=; b=BTDt43WXhUngBr41IjMlZCNTeXj8GKOL7q2z9KyF+1JvUk8+P+YZ5sSJU7DaeCuDkA ahUEInTLzft5vyGVEPQW1urzOGdDEk/0VT1dElD5CPdAkhlQzI1mehgUHK0lU5TPK2Q2 EtUzRFO/MeJyCY1/0iQcOFQ+z9iiLK8Tejng+mjMN4lrOyzYlHYd+2FSlVrutPkcDCAq 1JyNbDRKlN+VMp5oKqPJ/D043LDs9KnYDACwADHZ8fg+CnPhk5jtSQLKBz8yHHlJDYZX 15s5cuqntyu3H6BpUTfoE+ndfNe1pH1CQRB7I147wx4RDn6ZJeeaYbx5ACbAlDAzu6jK GOvA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724980282; x=1725585082; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Tq7LnGnCY31W8p33KfA4sDocR34ueQ+QZ1h3PRF4p6w=; b=ZUppcs1bGyi+ovdOrhw3leztV3UsENZXjeqbS2+qyzjSHtFS33hrHWgMhl9onBmhrf 11w8PZojc6E8Fut0kRHXp6bY+Lvcop4CbU5iBNge1//gll9wdJUPzCp2qvQTxWuDy/nf 6nrhSF2EXdtyrQWCUI9CD5Kx4fvvSB4SveC2kdsTwyOdrcrX8PqGppaKtoJKW2e15GTL d/2J8guFTy1K1ZGRvI/3ZGJsiR0h93wskvZApGHrWD3k5m5j8HdMNm/OwJlXvjccfKkG n23YykIut+FI19FITHKgeaZSTkZ7UNBskghqaa9GuFV7wZ+/kTQumfSOGNlmn9EY/c5z xp0w== X-Forwarded-Encrypted: i=1; AJvYcCV0G6jcwwQM0NLfAGr9dvPC7ift9OCGiZ88oGHRrh7pFacvj8AzEN582jtGx+Pr0NqJd1T0kHB1rWWMN2SiZA==@lists.infradead.org X-Gm-Message-State: AOJu0Yya2r/z9AfA8LaQbLTR00BRRtpstLkN0pc+aOEjEdBPAOijr8oy x2CCqGL8UHEewfuaqP6jV8WEYja+008j6PYvyVa61ZyKI/pSdeMkI7du7BKGRG8= X-Google-Smtp-Source: AGHT+IE/hxSbHJa0ey/qUAU4qMZr2Egy89hZiorh32Md7TMXE2itSwqfJ21BnW0A2NKOMSU/XYMAJQ== X-Received: by 2002:a05:6a20:c78e:b0:1c0:e49a:6900 with SMTP id adf61e73a8af0-1cce0fea52bmr4390650637.7.1724980281696; Thu, 29 Aug 2024 18:11:21 -0700 (PDT) Received: from ghost ([50.145.13.30]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2d8445e8f72sm4900654a91.20.2024.08.29.18.11.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Aug 2024 18:11:21 -0700 (PDT) Date: Thu, 29 Aug 2024 18:11:17 -0700 From: Charlie Jenkins To: Lorenzo Stoakes Cc: Arnd Bergmann , Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Guo Ren , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Yoshinori Sato , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Andreas Larsson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Peter Zijlstra , Muchun Song , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Shuah Khan , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH RFC v2 2/4] mm: Add hint and mmap_flags to struct vm_unmapped_area_info Message-ID: References: <20240829-patches-below_hint_mmap-v2-0-638a28d9eae0@rivosinc.com> <20240829-patches-below_hint_mmap-v2-2-638a28d9eae0@rivosinc.com> <0454187e-3e01-4af7-b193-07468ffa8934@lucifer.local> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <0454187e-3e01-4af7-b193-07468ffa8934@lucifer.local> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240829_181123_168815_015714A3 X-CRM114-Status: GOOD ( 16.22 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Thu, Aug 29, 2024 at 09:48:44AM +0100, Lorenzo Stoakes wrote: > On Thu, Aug 29, 2024 at 12:15:59AM GMT, Charlie Jenkins wrote: > > [snip] > > > diff --git a/mm/mmap.c b/mm/mmap.c > > index d0dfc85b209b..34ba0db23678 100644 > > --- a/mm/mmap.c > > +++ b/mm/mmap.c > > @@ -1796,6 +1796,9 @@ generic_get_unmapped_area(struct file *filp, unsigned long addr, > > struct vm_unmapped_area_info info = {}; > > const unsigned long mmap_end = arch_get_mmap_end(addr, len, flags); > > > > + info.hint = addr; > > + info.mmap_flags = flags; > > + > > if (len > mmap_end - mmap_min_addr) > > return -ENOMEM; > > > > @@ -1841,6 +1844,9 @@ generic_get_unmapped_area_topdown(struct file *filp, unsigned long addr, > > struct vm_unmapped_area_info info = {}; > > const unsigned long mmap_end = arch_get_mmap_end(addr, len, flags); > > > > + info.hint = addr; > > + info.mmap_flags = flags; > > + > > /* requested length too big for entire address space */ > > if (len > mmap_end - mmap_min_addr) > > return -ENOMEM; > > > > These line numbers suggest you're working against Linus's tree, mm/mmap.c > has changed a lot recently, so to avoid conflicts please base your changes > on mm-unstable in Andrew's tree (if looking to go through that) or at least > -next. I will make sure that I base off of mm-unstable for future revisions. - Charlie > > > -- > > 2.45.0 > > _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc