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[2003:dc:6f06:e100:230:64ff:fe74:809]) by smtp.gmail.com with ESMTPSA id a10-20020a1709066d4a00b00a52567ca1b6sm15278137ejt.94.2024.04.30.08.29.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Apr 2024 08:29:56 -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, david@redhat.com.au, Max Kellermann Subject: [PATCH v5 13/15] linux/mm.h: move is_vmalloc_addr() to mm/vmalloc_addr.h Date: Tue, 30 Apr 2024 17:29:29 +0200 Message-Id: <20240430152931.1137975-14-max.kellermann@ionos.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240430152931.1137975-1-max.kellermann@ionos.com> References: <20240430152931.1137975-1-max.kellermann@ionos.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: CCB01C0010 X-Stat-Signature: qb81fpie5cft87a3mdruq3k7831symty X-HE-Tag: 1714490998-253280 X-HE-Meta: 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 qqZcwEV6 Wr6RqkJlBsjf8/klbSGkeA5lFf2WQpTAbsXGwW9ZgBMriiRAVViOIhQpD9Emjt5xAZfeoZrLkBKdtTwxof2+KSZBuqM/Ao+KIDO11cM6XFkkK0naQLHLoo6s6m9tuYxl+HyHwRcG4jyWBa/nw5EV/rxkZ5c6LMA1U+WlXwPwHJOsGzLJIUu3dlMyyinlbjdybDkMzlWvCeHLvGkbDJghjAhrH+Et1g7ZFQrF5hdX+IcTLi87cH1/CHUv060502bhM0yvR2Pm8zKKm2IFMp2kb6w4MyW4IdeKGGJug/jEaSj7fAdyeCWgrKYZgY3x1FtvImClWYyx+2SbpjfV8Xh3YlYGGaENMDzvBUILQ02A92UkAdplXVPW/0CjPrWFXUttavXxYJpKNbzTEQD/9o7SUomJi88F1F8BoTyb0NXllFjomq+zRTFirNREfKOPHQOfEe+vSqOSU6ouDrbfFoqpF7v1Q9Q== 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 046f960ef70e..5681fd5dbbbe 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -1087,30 +1088,6 @@ 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