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GET_MEMPOLICY(2)					      GET_MEMPOLICY(2)

NAME
       get_mempolicy - get the current process' or memory address' NUMA policy

SYNOPSIS
       int sys_get_mempolicy (int *policy, unsigned long *nmask, unsigned
			long maxnode, unsigned long addr, unsigned
			long flags);

DESCRIPTION
       get_mempolicy  retrieves	 the  NUMA  policy of the current process or a
       memory address specified by addr. The memory policy defines which  node
       memory  is allocated to for the process. The policy is stored in policy
       when non-zero, with an associated nmask. maxnode	 is  the  maximum  bit
       number plus one that can be stored into nmask. The bit number is round‐
       ed to a multiple of unsigned long. The only valid value other than zero
       for  flags  is  MPOL_F_ILNODE. This value is only valid when the policy
       being retrieved is MPOL_INTERLEAVE. When this flag is specified, an un‐
       signed  long  with the next node that would be used for interleaving is
       returned in nodemask.

RETURN VALUE
       get_mempolicy returns 0 on success; otherwise, it returns  one  of  the
       errors listed in the "Errors" section.

ERRORS
       -EINVAL
	      An illegal parameter was passed in.

       -EFAULT
	      Invalid memory area accessed.

SEE ALSO
       mbind(2), set_mempolicy(2) numa(3) numactl(8)

       Note:  the numa(3) and numactl(8) man pages are not include in the man-
       pages package. They are available via the numactl-x.x.tar.gz package.

AUTHOR
       Niki Rahimi.

							      GET_MEMPOLICY(2)

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