From f6929891145014dff22199d25c87ccd38256af2c Mon Sep 17 00:00:00 2001 From: Daniel Kiper Date: Sun, 21 Aug 2011 15:52:42 +0200 Subject: kexec: Export compare_ranges() function from firmware_memmap.c module Export compare_ranges() function from firmware_memmap.c module. It is generic function and it could be used by other modules. Signed-off-by: Daniel Kiper Signed-off-by: Simon Horman --- kexec/firmware_memmap.c | 14 ++------------ kexec/firmware_memmap.h | 13 +++++++++++++ 2 files changed, 15 insertions(+), 12 deletions(-) (limited to 'kexec') diff --git a/kexec/firmware_memmap.c b/kexec/firmware_memmap.c index d8afed5..9598933 100644 --- a/kexec/firmware_memmap.c +++ b/kexec/firmware_memmap.c @@ -179,18 +179,8 @@ static int parse_memmap_entry(const char *entry, struct memory_range *range) return 0; } -/** - * Compares two memory ranges according to their start address. This function - * can be used with qsort() as @c compar function. - * - * @param[in] first a pointer to the first memory range - * @param[in] second a pointer to the second memory range - * @return 0 if @p first and @p second have the same start address, - * a value less then 0 if the start address of @p first is less than - * the start address of @p second, and a value greater than 0 if - * the opposite is in case. - */ -static int compare_ranges(const void *first, const void *second) +/* documentation: firmware_memmap.h */ +int compare_ranges(const void *first, const void *second) { const struct memory_range *first_range = first; const struct memory_range *second_range = second; diff --git a/kexec/firmware_memmap.h b/kexec/firmware_memmap.h index adb03c3..eac0ddb 100644 --- a/kexec/firmware_memmap.h +++ b/kexec/firmware_memmap.h @@ -38,6 +38,19 @@ * x86 does. */ +/** + * Compares two memory ranges according to their start address. This function + * can be used with qsort() as @c compar function. + * + * @param[in] first a pointer to the first memory range + * @param[in] second a pointer to the second memory range + * @return 0 if @p first and @p second have the same start address, + * a value less then 0 if the start address of @p first is less than + * the start address of @p second, and a value greater than 0 if + * the opposite is in case. + */ +int compare_ranges(const void *first, const void *second); + /** * Checks if the kernel provides the /sys/firmware/memmap interface. * It makes sense to use that function in advance before calling -- cgit