From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 017F6D1AD51 for ; Wed, 16 Oct 2024 12:25:12 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4XT9CW1fYhz2yJL; Wed, 16 Oct 2024 23:25:11 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2604:1380:45d1:ec00::3" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1729081511; cv=none; b=S9WFZTGUSsKd49NwsjFLjUm1w7bb12RloFjqsIAzefCpxWt4YZsq4vM3WZ+rcHx3L7faWlSu24FLeB8RFdkRqG/pTisCPzufnHgR58c8hedxaP9aXOvccX929+jahUKQs6u9GVLTA9EJcTV/N50aSFp4rxkZW59fi5lFwyMKOYqS4ZAroqHo+tv6Fpaat/VGA/Y28taUwa7pRlc02baxtsg6+dQDvH6LHBHnsjDXBfpyAVmiX5dhW5ODvCf6waNZZWcc5LaqZWe0slyiEVvvHVaGQk4Vx9zyBbT8nPe2VOPZbygRXDoqwr8oAOgh5rWS9y7wXqA3AaIXpQeRbHbH8g== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1729081511; c=relaxed/relaxed; bh=7iUEgLxXdj5GoIVN2DF9yn4luTvHsrglzb6yo8KsCNY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PtFcMMKLhHZb3N2daiE2+UOV4tjMPV4N7FEsAY/tPERTLbhP44JG4eLceyyCBEQU96KwNK1hrMSOas6tcCyr1JYuhKG7ddvvT2pAjpY0sih9Qy/A7mf19J7agC9pmqpMYdOCg7+dUcN54dwIhnpbWiq2/lZ9LowQjtsqHSRPNGO7KgqCNnQGnUnlhLUtHd7OJ3/KCThdxjabWDwLf3SpYecfdCD9o34rRnDbILgZLB9yQJuo/rnezwG7GsJ1yEOINL8FiWrM0TU/XdEBVSDevu5/KLLF+4uR3OuXGPrONSht3C+uUysSdEhFXaaGJCKEi4Nkwp3pnZQcPcoj+HFtDA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=BcH3WvKo; dkim-atps=neutral; spf=pass (client-ip=2604:1380:45d1:ec00::3; helo=nyc.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=BcH3WvKo; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2604:1380:45d1:ec00::3; helo=nyc.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) Received: from nyc.source.kernel.org (nyc.source.kernel.org [IPv6:2604:1380:45d1:ec00::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4XT9CV0Vzkz2yGf for ; Wed, 16 Oct 2024 23:25:10 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 5462EA43CE7; Wed, 16 Oct 2024 12:24:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B63D7C4CEC7; Wed, 16 Oct 2024 12:24:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729081506; bh=FhExyBVsAa8DlJgV7GRUKfpMvTFVrG7J2kadpMHGjFg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BcH3WvKoF6eSdLcu4KIL/oX1Tn7Y00nHxcTsKKWYyMhF9lKJ5Rzy/RniwiJvC5IzN 8ZlFCX8WzT5Wb0kNFn8LgRpXf1T8rscmfk4ykinUu2pKTXxkoRcKsXCFa3dLeOOfAG JpGLnl/bccMCxeT6gmfx7cWriUR2ynzwEcFbGe1Kg3+JJGrZvDWhsXGf3IT/OxPscB uD9d2jKY4rQJ6OXg6WCpLiKcrlefvCl+X5uJ5pyBZbdhHrwyI8cqmgKIvAG/pJZCDM cN+rAjVtvS3z38VZ7RG7nnyqR3iHZvGmgdDqgMwHTHZaGcdacC/fgISxxq+Mq5rM/a HYujkF/kPCdxA== From: Mike Rapoport To: Andrew Morton , Luis Chamberlain Cc: Andreas Larsson , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Borislav Petkov , Brian Cain , Catalin Marinas , Christoph Hellwig , Christophe Leroy , Dave Hansen , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Kent Overstreet , "Liam R. Howlett" , Mark Rutland , Masami Hiramatsu , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Mike Rapoport , Oleg Nesterov , Palmer Dabbelt , Peter Zijlstra , Richard Weinberger , Russell King , Song Liu , Stafford Horne , Steven Rostedt , Suren Baghdasaryan , Thomas Bogendoerfer , Thomas Gleixner , Uladzislau Rezki , Vineet Gupta , Will Deacon , bpf@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-trace-kernel@vger.kernel.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org, x86@kernel.org, Christoph Hellwig Subject: [PATCH v6 1/8] mm: vmalloc: group declarations depending on CONFIG_MMU together Date: Wed, 16 Oct 2024 15:24:17 +0300 Message-ID: <20241016122424.1655560-2-rppt@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241016122424.1655560-1-rppt@kernel.org> References: <20241016122424.1655560-1-rppt@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Mike Rapoport (Microsoft)" There are a couple of declarations that depend on CONFIG_MMU in include/linux/vmalloc.h spread all over the file. Group them all together to improve code readability. No functional changes. Signed-off-by: Mike Rapoport (Microsoft) Reviewed-by: Christoph Hellwig --- include/linux/vmalloc.h | 60 +++++++++++++++++------------------------ 1 file changed, 24 insertions(+), 36 deletions(-) diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index ad2ce7a6ab7a..27408f21e501 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -134,12 +134,6 @@ extern void vm_unmap_ram(const void *mem, unsigned int count); extern void *vm_map_ram(struct page **pages, unsigned int count, int node); extern void vm_unmap_aliases(void); -#ifdef CONFIG_MMU -extern unsigned long vmalloc_nr_pages(void); -#else -static inline unsigned long vmalloc_nr_pages(void) { return 0; } -#endif - extern void *vmalloc_noprof(unsigned long size) __alloc_size(1); #define vmalloc(...) alloc_hooks(vmalloc_noprof(__VA_ARGS__)) @@ -266,12 +260,29 @@ static inline bool is_vm_area_hugepages(const void *addr) #endif } +/* for /proc/kcore */ +long vread_iter(struct iov_iter *iter, const char *addr, size_t count); + +/* + * Internals. Don't use.. + */ +__init void vm_area_add_early(struct vm_struct *vm); +__init void vm_area_register_early(struct vm_struct *vm, size_t align); + +int register_vmap_purge_notifier(struct notifier_block *nb); +int unregister_vmap_purge_notifier(struct notifier_block *nb); + #ifdef CONFIG_MMU +#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) + +unsigned long vmalloc_nr_pages(void); + int vm_area_map_pages(struct vm_struct *area, unsigned long start, unsigned long end, struct page **pages); void vm_area_unmap_pages(struct vm_struct *area, unsigned long start, unsigned long end); void vunmap_range(unsigned long addr, unsigned long end); + static inline void set_vm_flush_reset_perms(void *addr) { struct vm_struct *vm = find_vm_area(addr); @@ -279,24 +290,14 @@ static inline void set_vm_flush_reset_perms(void *addr) if (vm) vm->flags |= VM_FLUSH_RESET_PERMS; } +#else /* !CONFIG_MMU */ +#define VMALLOC_TOTAL 0UL -#else -static inline void set_vm_flush_reset_perms(void *addr) -{ -} -#endif - -/* for /proc/kcore */ -extern long vread_iter(struct iov_iter *iter, const char *addr, size_t count); - -/* - * Internals. Don't use.. - */ -extern __init void vm_area_add_early(struct vm_struct *vm); -extern __init void vm_area_register_early(struct vm_struct *vm, size_t align); +static inline unsigned long vmalloc_nr_pages(void) { return 0; } +static inline void set_vm_flush_reset_perms(void *addr) {} +#endif /* CONFIG_MMU */ -#ifdef CONFIG_SMP -# ifdef CONFIG_MMU +#if defined(CONFIG_MMU) && defined(CONFIG_SMP) struct vm_struct **pcpu_get_vm_areas(const unsigned long *offsets, const size_t *sizes, int nr_vms, size_t align); @@ -311,22 +312,9 @@ pcpu_get_vm_areas(const unsigned long *offsets, return NULL; } -static inline void -pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) -{ -} -# endif -#endif - -#ifdef CONFIG_MMU -#define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START) -#else -#define VMALLOC_TOTAL 0UL +static inline void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms) {} #endif -int register_vmap_purge_notifier(struct notifier_block *nb); -int unregister_vmap_purge_notifier(struct notifier_block *nb); - #if defined(CONFIG_MMU) && defined(CONFIG_PRINTK) bool vmalloc_dump_obj(void *object); #else -- 2.43.0