kerncompat.h

   1 #ifndef __KERNCOMPAT
   2 #define __KERNCOMPAT
   3 #define gfp_t int
   4 #define get_cpu_var(p) (p)
   5 #define __get_cpu_var(p) (p)
   6 #define BITS_PER_LONG 64
   7 #define __GFP_BITS_SHIFT 20
   8 #define __GFP_BITS_MASK ((int)((1 << __GFP_BITS_SHIFT) - 1))
   9 #define GFP_KERNEL 0
  10 #define __read_mostly
  11 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
  12 #define __force
  13 #define PAGE_SHIFT 12
  14 #define ULONG_MAX       (~0UL)
  15 #define BUG() abort()
  16
  17 typedef unsigned int u32;
  18 typedef unsigned long long u64;
  19 typedef unsigned char u8;
  20 typedef unsigned short u16;
  21
  22 typedef unsigned long pgoff_t;
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 struct vma_shared { int prio_tree_node; };
  29 struct vm_area_struct {
  30         unsigned long vm_pgoff;
  31         unsigned long vm_start;
  32         unsigned long vm_end;
  33         struct vma_shared shared;
  34 };
  35
  36 struct page {
  37         unsigned long index;
  38 };
  39
  40 static inline void preempt_enable(void) { do {; } while(0);}
  41 static inline void preempt_disable(void) { do {; } while(0);}
  42
  43 static inline void __set_bit(int bit, unsigned long *map) {
  44         unsigned long *p = map + bit / BITS_PER_LONG;
  45         bit = bit & (BITS_PER_LONG -1);
  46         *p |= 1UL << bit;
  47 }
  48
  49 static inline int test_bit(int bit, unsigned long *map) {
  50         unsigned long *p = map + bit / BITS_PER_LONG;
  51         bit = bit & (BITS_PER_LONG -1);
  52         return *p & (1UL << bit) ? 1 : 0;
  53 }
  54
  55 static inline void __clear_bit(int bit, unsigned long *map) {
  56         unsigned long *p = map + bit / BITS_PER_LONG;
  57         bit = bit & (BITS_PER_LONG -1);
  58         *p &= ~(1UL << bit);
  59 }
  60 #define BUG_ON(c) do { if (c) abort(); } while (0)
  61
  62 #define container_of(ptr, type, member) ({                      \
  63         const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
  64                 (type *)( (char *)__mptr - __builtin_offsetof(type,member) );})
  65
  66 #endif
  67
  68 #define ENOMEM 5
  69 #define EEXIST 6