From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f198.google.com (mail-wr0-f198.google.com [209.85.128.198]) by kanga.kvack.org (Postfix) with ESMTP id DFE5D6B03A7 for ; Mon, 17 Apr 2017 13:12:20 -0400 (EDT) Received: by mail-wr0-f198.google.com with SMTP id a80so16272505wrc.19 for ; Mon, 17 Apr 2017 10:12:20 -0700 (PDT) Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com. [148.163.158.5]) by mx.google.com with ESMTPS id b25si12334151wmi.20.2017.04.17.10.12.19 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Apr 2017 10:12:19 -0700 (PDT) Received: from pps.filterd (m0098414.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v3HH9Q0i098102 for ; Mon, 17 Apr 2017 13:12:18 -0400 Received: from e18.ny.us.ibm.com (e18.ny.us.ibm.com [129.33.205.208]) by mx0b-001b2d01.pphosted.com with ESMTP id 29ufnkvby2-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Mon, 17 Apr 2017 13:12:18 -0400 Received: from localhost by e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 17 Apr 2017 13:12:17 -0400 From: "Aneesh Kumar K.V" Subject: [PATCH 3/7] mm/hugetlb: export hugetlb_entry_migration helper Date: Mon, 17 Apr 2017 22:41:42 +0530 In-Reply-To: <1492449106-27467-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1492449106-27467-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Message-Id: <1492449106-27467-4-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: akpm@linux-foundation.org, mpe@ellerman.id.au, Naoya Horiguchi , Anshuman Khandual Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "Aneesh Kumar K.V" We will be using this later from the ppc64 code. Change the return type to bool. Signed-off-by: Aneesh Kumar K.V --- include/linux/hugetlb.h | 1 + mm/hugetlb.c | 8 ++++---- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index b857fc8cc2ec..fddf6cf403d5 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -126,6 +126,7 @@ int pud_huge(pud_t pud); unsigned long hugetlb_change_protection(struct vm_area_struct *vma, unsigned long address, unsigned long end, pgprot_t newprot); +bool is_hugetlb_entry_migration(pte_t pte); #else /* !CONFIG_HUGETLB_PAGE */ static inline void reset_vma_resv_huge_pages(struct vm_area_struct *vma) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 2c090189f314..9b630e2195d5 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3189,17 +3189,17 @@ static void set_huge_ptep_writable(struct vm_area_struct *vma, update_mmu_cache(vma, address, ptep); } -static int is_hugetlb_entry_migration(pte_t pte) +bool is_hugetlb_entry_migration(pte_t pte) { swp_entry_t swp; if (huge_pte_none(pte) || pte_present(pte)) - return 0; + return false; swp = pte_to_swp_entry(pte); if (non_swap_entry(swp) && is_migration_entry(swp)) - return 1; + return true; else - return 0; + return false; } static int is_hugetlb_entry_hwpoisoned(pte_t pte) -- 2.7.4 -- 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