From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kirill A. Shutemov" Subject: Re: [PATCHv5, REBASED 9/9] x86/mm: Allow to have userspace mappings above 47-bits Date: Mon, 15 May 2017 22:48:00 +0300 Message-ID: <20170515194759.di5pojt46e2lxo2p@black.fi.intel.com> References: <20170515121218.27610-10-kirill.shutemov@linux.intel.com> <201705152204.F4FmHH4W%fengguang.wu@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <201705152204.F4FmHH4W%fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> Sender: linux-api-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: kbuild test robot Cc: kbuild-all-JC7UmRfGjtg@public.gmane.org, x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Andi Kleen , Dave Hansen , Andy Lutomirski , Dan Williams , linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-api@vger.kernel.org On Mon, May 15, 2017 at 10:49:43PM +0800, kbuild test robot wrote: > Hi Kirill, > > [auto build test ERROR on linus/master] > [also build test ERROR on v4.12-rc1 next-20170515] > [cannot apply to tip/x86/core xen-tip/linux-next] > [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] > > url: https://github.com/0day-ci/linux/commits/Kirill-A-Shutemov/x86-5-level-paging-enabling-for-v4-12-Part-4/20170515-202736 > config: i386-defconfig (attached as .config) > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 > reproduce: > # save the attached .config to linux build tree > make ARCH=i386 > > All error/warnings (new ones prefixed by >>): > > In file included from include/linux/cache.h:4:0, > from include/linux/printk.h:8, > from include/linux/kernel.h:13, > from mm/mmap.c:11: > mm/mmap.c: In function 'arch_get_unmapped_area_topdown': > arch/x86/include/asm/processor.h:878:50: error: 'TASK_SIZE_LOW' undeclared (first use in this function) > #define TASK_UNMAPPED_BASE __TASK_UNMAPPED_BASE(TASK_SIZE_LOW) Thanks. Fixup is below. Let me know if I need to send the full patch: diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index aaed58b03ddb..65663de9287b 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -794,6 +794,7 @@ static inline void spin_lock_prefetch(const void *x) */ #define IA32_PAGE_OFFSET PAGE_OFFSET #define TASK_SIZE PAGE_OFFSET +#define TASK_SIZE_LOW TASK_SIZE #define TASK_SIZE_MAX TASK_SIZE #define DEFAULT_MAP_WINDOW TASK_SIZE #define STACK_TOP TASK_SIZE -- Kirill A. Shutemov