From nobody Wed Nov 27 10:43:36 2024 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 566DF20FA9F; Fri, 11 Oct 2024 09:33:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=114.242.206.163 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728639211; cv=none; b=ijGe/LIW0SB+G/vy8Z7cr+KUl4n8kokuGts/m90d2mfZaTEcvM8588XjbrpyWMsMx0YrcVaLgEUc/yLW5Fr1+nOdAM4WpGDrdcYIj6ygrrvBJ1iX0V37EbUHY54G2H/j0NGGeeFLk/R390Ubro+XTa4uOPvI9+IoDuZ1Qh6rCsE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728639211; c=relaxed/simple; bh=M0d+ANDehZEebyJHx2IcY4rTbs80ZSrqNjo1Xmet/O4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=MXCFeJCilycQJwjSIp3O6s/k8K0clHApp/4qo28ObrnjeODcDn0z99EIYF/DA55Yh3o5X8UCzLwbhiGqGLB0FX2aAIUSUGiBRHp28O8uI+l6DuCNgWpvr3n/kx0kkbDIq2h8hRptTwonk7k7grguBD3WmR9rJW+1SWHhv/ZRGoA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn; spf=pass smtp.mailfrom=loongson.cn; arc=none smtp.client-ip=114.242.206.163 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=loongson.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=loongson.cn Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8Bx22rg8AhnsmQTAA--.28485S3; Fri, 11 Oct 2024 17:33:20 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMBxXuTf8AhnWK8jAA--.48225S2; Fri, 11 Oct 2024 17:33:19 +0800 (CST) From: Bibo Mao To: Huacai Chen , Thomas Bogendoerfer , Andrew Morton , Andrey Ryabinin Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , WANG Xuerui Subject: [PATCH] mm: Define general function pXd_init() Date: Fri, 11 Oct 2024 17:33:18 +0800 Message-Id: <20241011093318.519432-1-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMBxXuTf8AhnWK8jAA--.48225S2 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Content-Type: text/plain; charset="utf-8" Function pmd_init() and pud_init() are duplicated defined in file kasan.c and sparse-vmemmap.c as weak function. Now move them to generic header file pgtable.h, architecture can redefine them. Signed-off-by: Bibo Mao --- arch/loongarch/include/asm/pgtable.h | 2 ++ arch/mips/include/asm/pgtable-64.h | 2 ++ include/linux/mm.h | 2 -- include/linux/pgtable.h | 14 ++++++++++++++ mm/kasan/init.c | 8 -------- mm/sparse-vmemmap.c | 8 -------- 6 files changed, 18 insertions(+), 18 deletions(-) diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/= asm/pgtable.h index 9965f52ef65b..8bd653a6fa70 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -267,7 +267,9 @@ extern void set_pmd_at(struct mm_struct *mm, unsigned l= ong addr, pmd_t *pmdp, pm * Initialize a new pgd / pud / pmd table with invalid pointers. */ extern void pgd_init(void *addr); +#define pud_init pud_init extern void pud_init(void *addr); +#define pmd_init pmd_init extern void pmd_init(void *addr); =20 /* diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgt= able-64.h index 401c1d9e4409..45c8572a0462 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h @@ -316,7 +316,9 @@ static inline pmd_t *pud_pgtable(pud_t pud) * Initialize a new pgd / pud / pmd table with invalid pointers. */ extern void pgd_init(void *addr); +#define pud_init pud_init extern void pud_init(void *addr); +#define pmd_init pmd_init extern void pmd_init(void *addr); =20 /* diff --git a/include/linux/mm.h b/include/linux/mm.h index ecf63d2b0582..651bdc1bef48 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -3818,8 +3818,6 @@ void *sparse_buffer_alloc(unsigned long size); struct page * __populate_section_memmap(unsigned long pfn, unsigned long nr_pages, int nid, struct vmem_altmap *altmap, struct dev_pagemap *pgmap); -void pmd_init(void *addr); -void pud_init(void *addr); pgd_t *vmemmap_pgd_populate(unsigned long addr, int node); p4d_t *vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int node); pud_t *vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int node); diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index e8b2ac6bd2ae..bec5356ee644 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -90,6 +90,20 @@ static inline unsigned long pud_index(unsigned long addr= ess) #define pgd_index(a) (((a) >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1)) #endif =20 +#ifndef pmd_init +static inline void pmd_init(void *addr) +{ +} +#define pmd_init pmd_init +#endif + +#ifndef pud_init +static inline void pud_init(void *addr) +{ +} +#define pud_init pud_init +#endif + #ifndef pte_offset_kernel static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address) { diff --git a/mm/kasan/init.c b/mm/kasan/init.c index 89895f38f722..6b2dac62e63a 100644 --- a/mm/kasan/init.c +++ b/mm/kasan/init.c @@ -139,10 +139,6 @@ static int __ref zero_pmd_populate(pud_t *pud, unsigne= d long addr, return 0; } =20 -void __weak __meminit pmd_init(void *addr) -{ -} - static int __ref zero_pud_populate(p4d_t *p4d, unsigned long addr, unsigned long end) { @@ -181,10 +177,6 @@ static int __ref zero_pud_populate(p4d_t *p4d, unsigne= d long addr, return 0; } =20 -void __weak __meminit pud_init(void *addr) -{ -} - static int __ref zero_p4d_populate(pgd_t *pgd, unsigned long addr, unsigned long end) { diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c index edcc7a6b0f6f..a0c884947861 100644 --- a/mm/sparse-vmemmap.c +++ b/mm/sparse-vmemmap.c @@ -196,10 +196,6 @@ pmd_t * __meminit vmemmap_pmd_populate(pud_t *pud, uns= igned long addr, int node) return pmd; } =20 -void __weak __meminit pmd_init(void *addr) -{ -} - pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, unsigned long addr, int= node) { pud_t *pud =3D pud_offset(p4d, addr); @@ -213,10 +209,6 @@ pud_t * __meminit vmemmap_pud_populate(p4d_t *p4d, uns= igned long addr, int node) return pud; } =20 -void __weak __meminit pud_init(void *addr) -{ -} - p4d_t * __meminit vmemmap_p4d_populate(pgd_t *pgd, unsigned long addr, int= node) { p4d_t *p4d =3D p4d_offset(pgd, addr); base-commit: 87d6aab2389e5ce0197d8257d5f8ee965a67c4cd --=20 2.39.3