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Wysocki" , Jassi Brar , Thierry Reding , Jonathan Hunter , Arnd Bergmann , Ulf Hansson , Rob Herring , Bjorn Helgaas , Arend van Spriel , Robin Murphy , Vivek Gautam , Joe Perches , Heikki Krogerus , Andrew Morton , Mike Rapoport , Roman Gushchin , Michal Hocko , Huang Ying , Andy Shevchenko , Bjorn Andersson Cc: linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, Bartosz Golaszewski Subject: [PATCH v4 2/4] mm: move is_kernel_rodata() to asm-generic/sections.h Date: Tue, 25 Sep 2018 14:46:27 +0200 Message-Id: <20180925124629.20710-3-brgl@bgdev.pl> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180925124629.20710-1-brgl@bgdev.pl> References: <20180925124629.20710-1-brgl@bgdev.pl> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Export this routine so that we can use it later in devm_kstrdup_const() and devm_kfree_const(). Signed-off-by: Bartosz Golaszewski Reviewed-by: Bjorn Andersson Acked-by: Mike Rapoport --- include/asm-generic/sections.h | 14 ++++++++++++++ mm/util.c | 7 ------- 2 files changed, 14 insertions(+), 7 deletions(-) diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index 849cd8eb5ca0..d79abca81a52 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -141,4 +141,18 @@ static inline bool init_section_intersects(void *virt, size_t size) return memory_intersects(__init_begin, __init_end, virt, size); } +/** + * is_kernel_rodata - checks if the pointer address is located in the + * .rodata section + * + * @addr: address to check + * + * Returns: true if the address is located in .rodata, false otherwise. + */ +static inline bool is_kernel_rodata(unsigned long addr) +{ + return addr >= (unsigned long)__start_rodata && + addr < (unsigned long)__end_rodata; +} + #endif /* _ASM_GENERIC_SECTIONS_H_ */ diff --git a/mm/util.c b/mm/util.c index 9e3ebd2ef65f..470f5cd80b64 100644 --- a/mm/util.c +++ b/mm/util.c @@ -15,17 +15,10 @@ #include #include -#include #include #include "internal.h" -static inline int is_kernel_rodata(unsigned long addr) -{ - return addr >= (unsigned long)__start_rodata && - addr < (unsigned long)__end_rodata; -} - /** * kfree_const - conditionally free memory * @x: pointer to the memory -- 2.18.0