.\" Copyright 2003,2004 Andi Kleen, SuSE Labs.
.\" and Copyright 2007 Lee Schermerhorn, Hewlett Packard
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date.  The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" 2006-02-03, mtk, substantial wording changes and other improvements
.\" 2007-08-27, Lee Schermerhorn <Lee.Schermerhorn@hp.com>
.\"     more precise specification of behavior.
.\"
.\" Japanese Version Copyright (c) 2006 Akihiro MOTOKI
.\"         all rights reserved.
.\" Translated 2006-08-14, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>, LDP v2.39
.\" Updated 2008-02-13, Akihiro MOTOKI, LDP v2.77
.\" Updated 2008-08-06, Akihiro MOTOKI, LDP v3.05
.\" Updated 2008-08-21, Akihiro MOTOKI, LDP v3.07
.\" Updated 2008-11-19, Akihiro MOTOKI, LDP v3.13
.\"
.TH GET_MEMPOLICY 2 2008-08-15 Linux "Linux Programmer's Manual"
.SH ̾
get_mempolicy \- ץ NUMA Υݥꥷ
.SH 
.nf
.B "#include <numaif.h>"
.sp
.BI "int get_mempolicy(int *" mode ", unsigned long *" nodemask ,
.BI "                  unsigned long " maxnode ", unsigned long " addr ,
.BI "                  unsigned long " flags );
.sp
\fI\-lnuma\fP ǥ󥯤롣
.fi
.SH 
.BR get_mempolicy ()
ϡƤӽФץ⤷ϻꤵ줿ꥢɥ쥹
NUMA ݥꥷ
.I flags
˽äƼ롣

NUMA (оΥꥢ) ޥǤϡCPU ˤ
ꥳȥ餬ۤʤꡢΥۤʤäƤ롣
ݥꥷϡɤΥΡɤ򤽤Υץ
Ƥ뤫ΤǤ롣

.I flags
 0 ꤵ줿硢
.RB ( set_mempolicy (2)
ꤵ줿)
ƤӽФץΥǥեȥݥꥷ˴ؤ֤
֤줿ݥꥷ
.RI [ mode

.IR nodemask ]

.BR set_mempolicy (2)
ϤȤǡΥץΥݥꥷ
.BR get_mempolicy ()
ƤӽФξ֤᤹ȤǤ롣

.I flags

.B MPOL_F_MEMS_ALLOWED
(Linux 2.6.24 ʹߤѲǽ) ꤹȡ
.I mode
̵뤵졢
Υץθ
.BR mbind (2)

.BR set_mempolicy (2)

.RI [ "⡼ɥե饰"
ꤵƤʤ ] ǤΡ () ν礬
.I nodemask
֤롣
.B MPOL_F_MEMS_ALLOWED

.B MPOL_F_ADDR

.B MPOL_F_NODE
Ʊ˻ꤹ뤳ȤϤǤʤ

.I flags

.B MPOL_F_ADDR
ꤵ줿硢
.I addr
ǻꤵ줿ꥢɥ쥹ŬѤƤݥꥷ˴ؤ֤
.BR mbind (2)

.BR numa (3)
ƤإѡؿȤäơ
.I addr
ޤΰФݥꥷꤵƤˤϡ
֤ݥꥷϥץΥǥեȥݥꥷȰ㤦Ȥ롣

.I mode
 NULL Ǥʤ硢
.BR get_mempolicy ()
׵ᤵ줿 NUMA ݥꥷΥ⡼ɤɲä
.I "⡼ɥե饰"

.I mode
ؤ˳Ǽ롣
.I nodemask
 NULL ʳξ硢ΥݥꥷбΡɥޥ
ΰؤ˳Ǽ롣
.I maxnode
ˤ
.I nodemask
˳ǼǤΡ ID οĤޤΡ ID  1 ­ͤꤹ롣
.I maxnode
ǻꤵ줿ͤϾ
.I sizeof(unsigned long)
ܿڤ夲롣

.I flags

.B MPOL_F_NODE

.B MPOL_F_ADDR
ξꤵ줿硢
.BR get_mempolicy ()
ϥɥ쥹
.I addr
ƤƤΡɤΥΡ ID 
.I mode
ؤ֤
ꤵ줿ɥ쥹ˤɤΥڡޤƤƤʤ硢
.BR get_mempolicy ()
ϡ⤽ΥץΥɥ쥹Фɤ߹ߥ
¹ԤΤ褦˥ڡγƤԤڡƤ줿
Ρɤ ID ֤

.I flags

.B MPOL_F_NODE
ϻꤵ줿
.B MPOL_F_ADDR
ϻꤵƤʤǡ
ΥץθߤΥݥꥷ
.B MPOL_INTERLEAVE
ξ硢
.BR get_mempolicy ()
ϡΥץФƳƤ줿ͥڡ
˥󥿡꡼Ѥ˻ѤΡɤΥΡ ID 
NULL Ǥʤ
.I mode
ؤ֤
.\" Note:  code returns next interleave node via 'mode' argument -Lee Schermerhorn
ɤ߹ߥѤȤ
.B MAP_PRIVATE
ե饰դ
.BR mmap (2)
ץΰ䡢
ǤդΥѤȤ
.B MAP_SHARED
ե饰դ
.BR mmap (2)
ΰΡޥåפ줿եФڡ
嵭ΥץФƳƤ줿ڡ˴ޤޤ롣

¾Υե饰ͽ󤵤Ƥ롣

ǽʥݥꥷγפˤĤƤ
.BR set_mempolicy (2)
򻲾ȡ
.SH ֤
ȡ
.BR get_mempolicy ()
 0 ֤顼ξ硢\-1 ֤
.I errno
˥顼򼨤ͤꤹ롣
.SH 顼
.TP
.B EFAULT
.\"motoki: Part of all of the memory  Part or all .. δְ㤤
.I nodemask

.I maxnode
ǻꤵ줿ΰΰޤ
ƤӽФǽʥɥ쥹ֳؤƤ롣
.TP
.B EINVAL
.I maxnode
ǻꤵ줿ͤƥबݡȤΡ ID ο⾯ʤ
ޤϡ
.I flags

.B MPOL_F_NODE
Ǥ
.B MPOL_F_ADDR
Ǥʤͤꤵ줿
ޤϡ
.I flags

.B MPOL_F_ADDR
ꤵƤꡢ
.I addr
 NULL Ǥ롣
ޤϡ
.I flags

.B MPOL_F_ADDR
Ƥ餺
.I addr
 NULL Ǥʤ
ޤϡ
.I flags

.B MPOL_F_NODE
ꤵƤꡢ
.B MPOL_F_ADDR
ꤵƤ餺
ץθߤΥݥꥷ
.B MPOL_INTERLEAVE
Ǥʤ
ޤϡ
.I flags

.B MPOL_F_MEMS_ALLOWED
ꤵƤꡢ
.B MPOL_F_ADDR

.B MPOL_F_NODE
Τ줫ꤵƤ롣
(¾ˤ
.B EINVAL
Ȥʤ礬롣)
.SH С
.BR get_mempolicy ()
ƥॳϥС 2.6.7  Linux ͥɲä줿
.SH 
Υƥॳ Linux ͭǤ롣
.SH 
饤֥ˤ륵ݡȤˤĤƤ
.BR numa (7)
򻲾ȡ
.SH Ϣ
.BR getcpu (2),
.BR mbind (2),
.BR mmap (2),
.BR set_mempolicy (2),
.BR numa (3),
.BR numa (7),
.BR numactl (8)