From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752559AbdLNLqw (ORCPT ); Thu, 14 Dec 2017 06:46:52 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:55231 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751797AbdLNLnl (ORCPT ); Thu, 14 Dec 2017 06:43:41 -0500 Message-Id: <20171214113851.696839441@infradead.org> User-Agent: quilt/0.63-1 Date: Thu, 14 Dec 2017 12:27:38 +0100 From: Peter Zijlstra To: linux-kernel@vger.kernel.org, tglx@linutronix.de Cc: x86@kernel.org, Linus Torvalds , Andy Lutomirsky , Peter Zijlstra , Dave Hansen , Borislav Petkov , Greg KH , keescook@google.com, hughd@google.com, Brian Gerst , Josh Poimboeuf , Denys Vlasenko , Boris Ostrovsky , Juergen Gross , David Laight , Eduardo Valentin , aliguori@amazon.com, Will Deacon , linux-mm@kvack.org, kirill.shutemov@linux.intel.com, dan.j.williams@intel.com Subject: [PATCH v2 12/17] mm: Make populate_vma_page_range() available References: <20171214112726.742649793@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline; filename=mm--Make-populate_vma_page_range---available.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Zijlstra Make populate_vma_page_range() outside mm, so special mappings can be populated in dup_mmap(). Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Thomas Gleixner --- include/linux/mm.h | 2 ++ mm/internal.h | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2159,6 +2159,8 @@ do_mmap_pgoff(struct file *file, unsigne } #ifdef CONFIG_MMU +extern long populate_vma_page_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end, int *nonblocking); extern int __mm_populate(unsigned long addr, unsigned long len, int ignore_errors); static inline void mm_populate(unsigned long addr, unsigned long len) --- a/mm/internal.h +++ b/mm/internal.h @@ -284,8 +284,6 @@ void __vma_link_list(struct mm_struct *m struct vm_area_struct *prev, struct rb_node *rb_parent); #ifdef CONFIG_MMU -extern long populate_vma_page_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end, int *nonblocking); extern void munlock_vma_pages_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); static inline void munlock_vma_pages_all(struct vm_area_struct *vma)