Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932748AbaJXWsj (ORCPT ); Fri, 24 Oct 2014 18:48:39 -0400 Received: from mta-out1.inet.fi ([62.71.2.194]:33808 "EHLO jenni2.inet.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932187AbaJXWsi (ORCPT ); Fri, 24 Oct 2014 18:48:38 -0400 Date: Sat, 25 Oct 2014 01:45:37 +0300 From: "Kirill A. Shutemov" To: Davidlohr Bueso Cc: akpm@linux-foundation.org, hughd@google.com, riel@redhat.com, mgorman@suse.de, peterz@infradead.org, mingo@kernel.org, linux-kernel@vger.kernel.org, dbueso@suse.de, linux-mm@kvack.org Subject: Re: [PATCH 03/10] mm: convert i_mmap_mutex to rwsem Message-ID: <20141024224537.GA21108@node.dhcp.inet.fi> References: <1414188380-17376-1-git-send-email-dave@stgolabs.net> <1414188380-17376-4-git-send-email-dave@stgolabs.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1414188380-17376-4-git-send-email-dave@stgolabs.net> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 24, 2014 at 03:06:13PM -0700, Davidlohr Bueso wrote: > diff --git a/mm/fremap.c b/mm/fremap.c > index 72b8fa3..11ef7ec 100644 > --- a/mm/fremap.c > +++ b/mm/fremap.c > @@ -238,13 +238,13 @@ get_write_lock: > } > goto out_freed; > } > - mutex_lock(&mapping->i_mmap_mutex); > + i_mmap_lock_write(mapping); > flush_dcache_mmap_lock(mapping); > vma->vm_flags |= VM_NONLINEAR; > vma_interval_tree_remove(vma, &mapping->i_mmap); > vma_nonlinear_insert(vma, &mapping->i_mmap_nonlinear); > flush_dcache_mmap_unlock(mapping); > - mutex_unlock(&mapping->i_mmap_mutex); > + i_mmap_unlock_write(mapping); > } > > if (vma->vm_flags & VM_LOCKED) { This should go to previous patch. -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/