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[2003:dc:6f01:900:230:64ff:fe74:809]) by smtp.gmail.com with ESMTPSA id jw22-20020a170906e95600b00a4623030893sm2091961ejb.126.2024.03.12.02.42.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Mar 2024 02:42:01 -0700 (PDT) From: Max Kellermann To: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: willy@infradead.org, sfr@canb.auug.org.au, Max Kellermann Subject: [PATCH v4 13/15] linux/mm.h: move is_vmalloc_addr() to mm/vmalloc_addr.h Date: Tue, 12 Mar 2024 10:41:31 +0100 Message-Id: <20240312094133.2084996-14-max.kellermann@ionos.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240312094133.2084996-1-max.kellermann@ionos.com> References: <20240312094133.2084996-1-max.kellermann@ionos.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 32F6C120015 X-Rspam-User: X-Stat-Signature: 9411fjakp6yta36ye6wx3pb4zgzdgkuc X-Rspamd-Server: rspam03 X-HE-Tag: 1710236522-194261 X-HE-Meta: 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 yqyT6OpB tAcg9ADf4u2saSPaie51+SCLOQvzENuYVXCl23CEOX1ij0gUuEMOwN0X9KOh6A1AQt7F+uo8wD1U97R+s7PfLPojhlXT9FWkJuaWJNxe4lmKUkhYWwQLrCu1mGGOT2Z39V2udI3q12gPy8RgeckVq1sUPRd0HModeMGvU 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: List-Subscribe: List-Unsubscribe: This is needed to eliminate linux/dma-mapping.h's dependency on linux/mm.h. Signed-off-by: Max Kellermann --- include/linux/mm.h | 25 +------------------------ include/linux/mm/vmalloc_addr.h | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+), 24 deletions(-) create mode 100644 include/linux/mm/vmalloc_addr.h diff --git a/include/linux/mm.h b/include/linux/mm.h index 07262ae43c5d..80fc7df2856a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -1086,30 +1087,6 @@ enum { int region_intersects(resource_size_t offset, size_t size, unsigned long flags, unsigned long desc); -/* Support for virtually mapped pages */ -struct page *vmalloc_to_page(const void *addr); -unsigned long vmalloc_to_pfn(const void *addr); - -/* - * Determine if an address is within the vmalloc range - * - * On nommu, vmalloc/vfree wrap through kmalloc/kfree directly, so there - * is no special casing required. - */ -#ifdef CONFIG_MMU -extern bool is_vmalloc_addr(const void *x); -extern int is_vmalloc_or_module_addr(const void *x); -#else -static inline bool is_vmalloc_addr(const void *x) -{ - return false; -} -static inline int is_vmalloc_or_module_addr(const void *x) -{ - return 0; -} -#endif - /* * How many times the entire folio is mapped as a single unit (eg by a * PMD or PUD entry). This is probably not what you want, except for diff --git a/include/linux/mm/vmalloc_addr.h b/include/linux/mm/vmalloc_addr.h new file mode 100644 index 000000000000..86ad2dc94960 --- /dev/null +++ b/include/linux/mm/vmalloc_addr.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_MM_VMALLOC_ADDR_H +#define _LINUX_MM_VMALLOC_ADDR_H + +#include // for bool + +struct page; + +/* Support for virtually mapped pages */ +struct page *vmalloc_to_page(const void *addr); +unsigned long vmalloc_to_pfn(const void *addr); + +/* + * Determine if an address is within the vmalloc range + * + * On nommu, vmalloc/vfree wrap through kmalloc/kfree directly, so there + * is no special casing required. + */ +#ifdef CONFIG_MMU +extern bool is_vmalloc_addr(const void *x); +extern int is_vmalloc_or_module_addr(const void *x); +#else +static inline bool is_vmalloc_addr(const void *x) +{ + return false; +} +static inline int is_vmalloc_or_module_addr(const void *x) +{ + return 0; +} +#endif + +#endif /* _LINUX_MM_VMALLOC_ADDR_H */ -- 2.39.2