From patchwork Wed May 6 06:12:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anshuman Khandual X-Patchwork-Id: 11530331 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7317592A for ; Wed, 6 May 2020 06:13:32 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 31CBE20735 for ; Wed, 6 May 2020 06:13:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31CBE20735 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4F3538E0008; Wed, 6 May 2020 02:13:31 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 4A24A8E0003; Wed, 6 May 2020 02:13:31 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3927B8E0008; Wed, 6 May 2020 02:13:31 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0072.hostedemail.com [216.40.44.72]) by kanga.kvack.org (Postfix) with ESMTP id 21ABB8E0003 for ; Wed, 6 May 2020 02:13:31 -0400 (EDT) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id DF5E0180AD80F for ; Wed, 6 May 2020 06:13:30 +0000 (UTC) X-FDA: 76785277380.09.care23_58cdf82eb1e59 X-Spam-Summary: 2,0,0,37e9639ed04005a4,d41d8cd98f00b204,anshuman.khandual@arm.com,,RULES_HIT:1:2:41:355:379:541:800:960:966:973:988:989:1260:1261:1345:1359:1431:1437:1605:1730:1747:1777:1792:1963:1978:1981:2194:2196:2199:2200:2393:2559:2562:2693:3138:3139:3140:3141:3142:3167:3872:3874:3876:4043:4051:4321:4385:4605:5007:6261:6742:6743:8634:8957:9592:10004:11026:11473:11657:11658:11914:12043:12114:12296:12297:12438:12555:12895:12986:13161:13229:13255:13846:14096:14394:21080:21450:21451:21627:21990:30012:30054:30064,0,RBL:217.140.110.172:@arm.com:.lbl8.mailshell.net-64.100.201.201 62.2.0.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:1,LUA_SUMMARY:none X-HE-Tag: care23_58cdf82eb1e59 X-Filterd-Recvd-Size: 10714 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf05.hostedemail.com (Postfix) with ESMTP for ; Wed, 6 May 2020 06:13:30 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 53ECD30E; Tue, 5 May 2020 23:13:29 -0700 (PDT) Received: from p8cg001049571a15.arm.com (unknown [10.163.71.196]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 856E53F68F; Tue, 5 May 2020 23:13:18 -0700 (PDT) From: Anshuman Khandual To: linux-mm@kvack.org, akpm@linux-foundation.org Cc: Anshuman Khandual , Russell King , Catalin Marinas , Will Deacon , Tony Luck , Fenghua Yu , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Paul Walmsley , Palmer Dabbelt , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Yoshinori Sato , Rich Felker , "David S. Miller" , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Mike Kravetz , x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V2 3/3] mm/hugetlb: Define a generic fallback for arch_clear_hugepage_flags() Date: Wed, 6 May 2020 11:42:14 +0530 Message-Id: <1588745534-24418-4-git-send-email-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1588745534-24418-1-git-send-email-anshuman.khandual@arm.com> References: <1588745534-24418-1-git-send-email-anshuman.khandual@arm.com> X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: There are multiple similar definitions for arch_clear_hugepage_flags() on various platforms. Lets just add it's generic fallback definition for platforms that do not override. This help reduce code duplication. Cc: Russell King Cc: Catalin Marinas Cc: Will Deacon Cc: Tony Luck Cc: Fenghua Yu Cc: Thomas Bogendoerfer Cc: "James E.J. Bottomley" Cc: Helge Deller Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman Cc: Paul Walmsley Cc: Palmer Dabbelt Cc: Heiko Carstens Cc: Vasily Gorbik Cc: Christian Borntraeger Cc: Yoshinori Sato Cc: Rich Felker Cc: "David S. Miller" Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: "H. Peter Anvin" Cc: Mike Kravetz Cc: Andrew Morton Cc: x86@kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-ia64@vger.kernel.org Cc: linux-mips@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-riscv@lists.infradead.org Cc: linux-s390@vger.kernel.org Cc: linux-sh@vger.kernel.org Cc: sparclinux@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- arch/arm/include/asm/hugetlb.h | 1 + arch/arm64/include/asm/hugetlb.h | 1 + arch/ia64/include/asm/hugetlb.h | 4 ---- arch/mips/include/asm/hugetlb.h | 4 ---- arch/parisc/include/asm/hugetlb.h | 4 ---- arch/powerpc/include/asm/hugetlb.h | 4 ---- arch/riscv/include/asm/hugetlb.h | 4 ---- arch/s390/include/asm/hugetlb.h | 1 + arch/sh/include/asm/hugetlb.h | 1 + arch/sparc/include/asm/hugetlb.h | 4 ---- arch/x86/include/asm/hugetlb.h | 4 ---- include/linux/hugetlb.h | 5 +++++ 12 files changed, 9 insertions(+), 28 deletions(-) diff --git a/arch/arm/include/asm/hugetlb.h b/arch/arm/include/asm/hugetlb.h index 9ecd516d1ff7..d02d6ca88e92 100644 --- a/arch/arm/include/asm/hugetlb.h +++ b/arch/arm/include/asm/hugetlb.h @@ -18,5 +18,6 @@ static inline void arch_clear_hugepage_flags(struct page *page) { clear_bit(PG_dcache_clean, &page->flags); } +#define arch_clear_hugepage_flags arch_clear_hugepage_flags #endif /* _ASM_ARM_HUGETLB_H */ diff --git a/arch/arm64/include/asm/hugetlb.h b/arch/arm64/include/asm/hugetlb.h index 8f58e052697a..94ba0c5bced2 100644 --- a/arch/arm64/include/asm/hugetlb.h +++ b/arch/arm64/include/asm/hugetlb.h @@ -21,6 +21,7 @@ static inline void arch_clear_hugepage_flags(struct page *page) { clear_bit(PG_dcache_clean, &page->flags); } +#define arch_clear_hugepage_flags arch_clear_hugepage_flags extern pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma, struct page *page, int writable); diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h index 6ef50b9a4bdf..7e46ebde8c0c 100644 --- a/arch/ia64/include/asm/hugetlb.h +++ b/arch/ia64/include/asm/hugetlb.h @@ -28,10 +28,6 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, { } -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #include #endif /* _ASM_IA64_HUGETLB_H */ diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h index 8b201e281f67..10e3be870df7 100644 --- a/arch/mips/include/asm/hugetlb.h +++ b/arch/mips/include/asm/hugetlb.h @@ -75,10 +75,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, return changed; } -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #include #endif /* __ASM_HUGETLB_H */ diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h index 411d9d867baa..a69cf9efb0c1 100644 --- a/arch/parisc/include/asm/hugetlb.h +++ b/arch/parisc/include/asm/hugetlb.h @@ -42,10 +42,6 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty); -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #include #endif /* _ASM_PARISC64_HUGETLB_H */ diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index b167c869d72d..e6dfa63da552 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -61,10 +61,6 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty); -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #include #else /* ! CONFIG_HUGETLB_PAGE */ diff --git a/arch/riscv/include/asm/hugetlb.h b/arch/riscv/include/asm/hugetlb.h index 866f6ae6467c..a5c2ca1d1cd8 100644 --- a/arch/riscv/include/asm/hugetlb.h +++ b/arch/riscv/include/asm/hugetlb.h @@ -5,8 +5,4 @@ #include #include -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #endif /* _ASM_RISCV_HUGETLB_H */ diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h index 7d27ea96ec2f..9ddf4a43a590 100644 --- a/arch/s390/include/asm/hugetlb.h +++ b/arch/s390/include/asm/hugetlb.h @@ -39,6 +39,7 @@ static inline void arch_clear_hugepage_flags(struct page *page) { clear_bit(PG_arch_1, &page->flags); } +#define arch_clear_hugepage_flags arch_clear_hugepage_flags static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep, unsigned long sz) diff --git a/arch/sh/include/asm/hugetlb.h b/arch/sh/include/asm/hugetlb.h index 536ad2cb8aa4..ae4de7b89210 100644 --- a/arch/sh/include/asm/hugetlb.h +++ b/arch/sh/include/asm/hugetlb.h @@ -30,6 +30,7 @@ static inline void arch_clear_hugepage_flags(struct page *page) { clear_bit(PG_dcache_clean, &page->flags); } +#define arch_clear_hugepage_flags arch_clear_hugepage_flags #include diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index a056fe1119f5..53838a173f62 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -47,10 +47,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, return changed; } -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr, unsigned long end, unsigned long floor, diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h index cc98f79074d0..1721b1aadeb1 100644 --- a/arch/x86/include/asm/hugetlb.h +++ b/arch/x86/include/asm/hugetlb.h @@ -7,8 +7,4 @@ #define hugepages_supported() boot_cpu_has(X86_FEATURE_PSE) -static inline void arch_clear_hugepage_flags(struct page *page) -{ -} - #endif /* _ASM_X86_HUGETLB_H */ diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index c01c0c6f7fd4..04bc794becfc 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -600,6 +600,11 @@ static inline int is_hugepage_only_range(struct mm_struct *mm, #define is_hugepage_only_range is_hugepage_only_range #endif +#ifndef arch_clear_hugepage_flags +static inline void arch_clear_hugepage_flags(struct page *page) { } +#define arch_clear_hugepage_flags arch_clear_hugepage_flags +#endif + #ifndef arch_make_huge_pte static inline pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma, struct page *page, int writable)