From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp04.in.ibm.com (e28smtp04.in.ibm.com [122.248.162.4]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id A5C981A03BA for ; Tue, 3 Nov 2015 16:02:51 +1100 (AEDT) Received: from /spool/local by e28smtp04.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 3 Nov 2015 10:32:48 +0530 Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 4BF40E0056 for ; Tue, 3 Nov 2015 10:33:00 +0530 (IST) Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay03.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id tA352hFs4391198 for ; Tue, 3 Nov 2015 10:32:44 +0530 Received: from d28av05.in.ibm.com (localhost [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id tA352guC023947 for ; Tue, 3 Nov 2015 10:32:43 +0530 From: "Aneesh Kumar K.V" To: Denis Kirjanov Cc: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, Scott Wood , linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH V4 00/31] powerpc/mm: Update page table format for book3s 64 In-Reply-To: References: <1445076522-20527-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> <87a8rarudb.fsf@linux.vnet.ibm.com> Date: Tue, 03 Nov 2015 10:32:41 +0530 Message-ID: <87twp3u13i.fsf@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Denis Kirjanov writes: > On 10/23/15, Aneesh Kumar K.V wrote: >> Denis Kirjanov writes: >> >>> On 10/17/15, Aneesh Kumar K.V wrote: >>>> Hi All, >>>> >>>> This patch series attempt to update book3s 64 linux page table format to >>>> make it more flexible. Our current pte format is very restrictive and we >>>> overload multiple pte bits. This is due to the non-availability of free >>>> bits >>>> in pte_t. We use pte_t to track the validity of 4K subpages. This patch >>>> series free up pte_t of 11 bits by moving 4K subpage tracking to the >>>> lower half of PTE page. The pte format is updated such that we have a >>>> better method for identifying a pte entry at pmd level. This will also >>>> enable >>>> us to implement hugetlb migration(not yet done in this series). >>> >>> Hi, what tree does this apply to? >>> >> >> linux-powerpc tree -next branch >> >> https://git.kernel.org/cgit/linux/kernel/git/powerpc/linux.git/ > > Ok, but I'm getting the following error after applying the first patch > from your series: > > error: patch failed: arch/powerpc/include/asm/pgalloc-64.h:166 > error: arch/powerpc/include/asm/pgalloc-64.h: patch does not apply > error: arch/powerpc/mm/hash64_64k.c: No such file or directory > > kda@hydra ~/devel/linux $ git branch > master > * next > kda@hydra ~/devel/linux $ git remote show origin > * remote origin > Fetch URL: git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git > Push URL: git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git > > Or am I missing something? Why not use The patch series can also be found at https://github.com/kvaneesh/linux.git book3s-pte-format https://github.com/kvaneesh/linux/commits/book3s-pte-format -aneesh