9 static void dummy1(int x) { }
10 static void dummy0(void) { }
11 weak_alias(dummy1, __vm_lock);
12 weak_alias(dummy0, __vm_unlock);
14 #define UNIT SYSCALL_MMAP2_UNIT
15 #define OFF_MASK ((-0x2000ULL << (8*sizeof(long)-1)) | (UNIT-1))
17 void *__mmap(void *start, size_t len, int prot, int flags, int fd, off_t off)
23 if (len >= PTRDIFF_MAX) {
27 if (flags & MAP_FIXED) {
32 return (void *)syscall(SYS_mmap2, start, len, prot, flags, fd, off/UNIT);
34 return (void *)syscall(SYS_mmap, start, len, prot, flags, fd, off);
38 weak_alias(__mmap, mmap);