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authorBartosz Golaszewski <brgl@bgdev.pl>2018-10-14 18:20:08 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-16 13:53:27 +0300
commit59c3f82ad1d6ed83fde9d7608afb9fb221a211ab (patch)
tree32f4e02710f251dbd368f329289cdc6ea9c74905 /include/asm-generic/sections.h
parent0571967dfb5d2573c2a06871517d748932a899d1 (diff)
downloadlinux-59c3f82ad1d6ed83fde9d7608afb9fb221a211ab.tar.xz
mm: move is_kernel_rodata() to asm-generic/sections.h
Export this routine so that we can use it later in devm_kstrdup_const() and devm_kfree(). Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Mike Rapoport <rppt@linux.vnet.ibm.com> Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/asm-generic/sections.h')
-rw-r--r--include/asm-generic/sections.h14
1 files changed, 14 insertions, 0 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_ */