syscalls/get_mempolicy.c

   1 /*
   2  * SYSCALL_DEFINE5(get_mempolicy, int __user *, policy,
   3         unsigned long __user *, nmask, unsigned long, maxnode,
   4         unsigned long, addr, unsigned long, flags)
   5  */
   6
   7 #define MPOL_F_NODE     (1<<0)  /* return next IL mode instead of node mask */
   8 #define MPOL_F_ADDR     (1<<1)  /* look up vma using address */
   9 #define MPOL_F_MEMS_ALLOWED (1<<2) /* return allowed memories */
  10
  11 #include "sanitise.h"
  12
  13 struct syscallentry syscall_get_mempolicy = {
  14         .name = "get_mempolicy",
  15         .num_args = 5,
  16         .arg1name = "policy",
  17         .arg1type = ARG_ADDRESS,
  18         .arg2name = "nmask",
  19         .arg2type = ARG_ADDRESS,
  20         .arg3name = "maxnode",
  21         .arg3type = ARG_RANGE,
  22         .low3range = 0,
  23         .hi3range = 1 << 9,     /* 1 << CONFIG_NODES_SHIFT */
  24         .arg4name = "addr",
  25         .arg4type = ARG_ADDRESS,
  26         .arg5name = "flags",
  27         .arg5type = ARG_LIST,
  28         .arg5list = {
  29                 .num = 3,
  30                 .values = { MPOL_F_NODE, MPOL_F_ADDR, MPOL_F_MEMS_ALLOWED },
  31         },
  32         .rettype = RET_ZERO_SUCCESS,
  33 };