From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id 019366B00A2 for ; Fri, 19 Mar 2010 02:27:59 -0400 (EDT) From: Naoya Horiguchi Subject: [PATCH 1/2] pagemap: add #ifdefs CONFIG_HUGETLB_PAGE on code walking hugetlb vma Date: Fri, 19 Mar 2010 15:26:35 +0900 Message-Id: <1268979996-12297-1-git-send-email-n-horiguchi@ah.jp.nec.com> Sender: owner-linux-mm@kvack.org To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, akpm@linux-foundation.org, andi.kleen@intel.com, fengguang.wu@intel.com List-ID: If !CONFIG_HUGETLB_PAGE, pagemap_hugetlb_range() is never called. So put it (and its calling function) into #ifdef block. Signed-off-by: Naoya Horiguchi --- fs/proc/task_mmu.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 183f8ff..2a3ef17 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -652,6 +652,7 @@ static int pagemap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end, return err; } +#ifdef CONFIG_HUGETLB_PAGE static u64 huge_pte_to_pagemap_entry(pte_t pte, int offset) { u64 pme = 0; @@ -695,6 +696,7 @@ static int pagemap_hugetlb_range(pte_t *pte, unsigned long addr, return err; } +#endif /* HUGETLB_PAGE */ /* * /proc/pid/pagemap - an array mapping virtual pages to pfns @@ -788,7 +790,9 @@ static ssize_t pagemap_read(struct file *file, char __user *buf, pagemap_walk.pmd_entry = pagemap_pte_range; pagemap_walk.pte_hole = pagemap_pte_hole; +#ifdef CONFIG_HUGETLB_PAGE pagemap_walk.hugetlb_entry = pagemap_hugetlb_range; +#endif pagemap_walk.mm = mm; pagemap_walk.private = ± -- 1.7.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org