include/linux/range.h

   1 #ifndef _LINUX_RANGE_H
   2 #define _LINUX_RANGE_H
   3
   4 struct range {
   5         u64   start;
   6         u64   end;
   7 };
   8
   9 int add_range(struct range *range, int az, int nr_range,
  10                 u64 start, u64 end);
  11
  12
  13 int add_range_with_merge(struct range *range, int az, int nr_range,
  14                                 u64 start, u64 end);
  15
  16 void subtract_range(struct range *range, int az, u64 start, u64 end);
  17
  18 int clean_sort_range(struct range *range, int az);
  19
  20 void sort_range(struct range *range, int nr_range);
  21
  22 #define MAX_RESOURCE ((resource_size_t)~0)
  23 static inline resource_size_t cap_resource(u64 val)
  24 {
  25         if (val > MAX_RESOURCE)
  26                 return MAX_RESOURCE;
  27
  28         return val;
  29 }
  30 #endif