From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753283Ab2BHOWy (ORCPT ); Wed, 8 Feb 2012 09:22:54 -0500 Received: from i118-21-156-233.s30.a048.ap.plala.or.jp ([118.21.156.233]:50407 "EHLO rinabert.homeip.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750956Ab2BHOWx (ORCPT ); Wed, 8 Feb 2012 09:22:53 -0500 From: Masanari Iida To: linux-mm@kvack.org Cc: standby24x7@gmail.com, linux-kernel@vger.kernel.org, trivial@kernel.org Subject: [PATCH] [trivial] mm: Fix typo in unevictable-lru.txt Date: Wed, 8 Feb 2012 23:22:21 +0900 Message-Id: <1328710941-3349-1-git-send-email-standby24x7@gmail.com> X-Mailer: git-send-email 1.7.6.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Correct spelling "semphore" to "semaphore" in Documentation/vm/unevictable-lru.txt Signed-off-by: Masanari Iida --- Documentation/vm/unevictable-lru.txt | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/vm/unevictable-lru.txt b/Documentation/vm/unevictable-lru.txt index 97bae3c..609d1a3 100644 --- a/Documentation/vm/unevictable-lru.txt +++ b/Documentation/vm/unevictable-lru.txt @@ -538,7 +538,7 @@ different reverse map mechanisms. process because mlocked pages are migratable. However, for reclaim, if the page is mapped into a VM_LOCKED VMA, the scan stops. - try_to_unmap_anon() attempts to acquire in read mode the mmap semphore of + try_to_unmap_anon() attempts to acquire in read mode the mmap semaphore of the mm_struct to which the VMA belongs. If this is successful, it will mlock the page via mlock_vma_page() - we wouldn't have gotten to try_to_unmap_anon() if the page were already mlocked - and will return @@ -623,7 +623,7 @@ mapped file pages with an additional argument specifing unlock versus unmap processing. Again, these functions walk the respective reverse maps looking for VM_LOCKED VMAs. When such a VMA is found for anonymous pages and file pages mapped in linear VMAs, as in the try_to_unmap() case, the functions -attempt to acquire the associated mmap semphore, mlock the page via +attempt to acquire the associated mmap semaphore, mlock the page via mlock_vma_page() and return SWAP_MLOCK. This effectively undoes the pre-clearing of the page's PG_mlocked done by munlock_vma_page. @@ -641,7 +641,7 @@ with it - the usual fallback position. Note that try_to_munlock()'s reverse map walk must visit every VMA in a page's reverse map to determine that a page is NOT mapped into any VM_LOCKED VMA. However, the scan can terminate when it encounters a VM_LOCKED VMA and can -successfully acquire the VMA's mmap semphore for read and mlock the page. +successfully acquire the VMA's mmap semaphore for read and mlock the page. Although try_to_munlock() might be called a great many times when munlocking a large region or tearing down a large address space that has been mlocked via mlockall(), overall this is a fairly rare event. -- 1.7.6.5