From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755363Ab2JaQ7Z (ORCPT ); Wed, 31 Oct 2012 12:59:25 -0400 Received: from mail-da0-f46.google.com ([209.85.210.46]:39663 "EHLO mail-da0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751115Ab2JaQ7W (ORCPT ); Wed, 31 Oct 2012 12:59:22 -0400 From: Joonsoo Kim To: Andrew Morton Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, Joonsoo Kim , Mel Gorman , Peter Zijlstra Subject: [PATCH v2 5/5] mm, highmem: get virtual address of the page using PKMAP_ADDR() Date: Thu, 1 Nov 2012 01:56:37 +0900 Message-Id: <1351702597-10795-6-git-send-email-js1304@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1351702597-10795-1-git-send-email-js1304@gmail.com> References: <1351702597-10795-1-git-send-email-js1304@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In flush_all_zero_pkmaps(), we have an index of the pkmap associated the page. Using this index, we can simply get virtual address of the page. So change it. Cc: Mel Gorman Cc: Peter Zijlstra Signed-off-by: Joonsoo Kim Reviewed-by: Minchan Kim diff --git a/mm/highmem.c b/mm/highmem.c index b365f7b..675ec97 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -137,8 +137,7 @@ static unsigned int flush_all_zero_pkmaps(void) * So no dangers, even with speculative execution. */ page = pte_page(pkmap_page_table[i]); - pte_clear(&init_mm, (unsigned long)page_address(page), - &pkmap_page_table[i]); + pte_clear(&init_mm, PKMAP_ADDR(i), &pkmap_page_table[i]); set_page_address(page, NULL); if (index == PKMAP_INVALID_INDEX) -- 1.7.9.5