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s390/numa: add core infrastructure

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Enable core NUMA support for s390 and add one simple default mode "plain"
that creates one single NUMA node.

This patch contains several changes from Michael Holzheu.

Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Philipp Hachtmann
2014-03-06 18:25:13 +01:00
committed by Martin Schwidefsky
parent 199071f108
commit 3a368f742d
15 changed files with 375 additions and 26 deletions
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12
arch/s390/include/asm/unistd.h
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@@ -11,12 +11,12 @@
#define __IGNORE_time
/* Ignore NUMA system calls. Not wired up on s390. */
#define __IGNORE_mbind
#define __IGNORE_get_mempolicy
#define __IGNORE_set_mempolicy
#define __IGNORE_migrate_pages
#define __IGNORE_move_pages
/* NUMA system calls */
#define _ARCH_WANT_mbind
#define __ARCH_WANT_get_mempolicy
#define __ARCH_WANT_set_mempolicy
#define __ARCH_WANT_migrate_pages
#define __ARCH_WANT_move_pages
/* Ignore system calls that are also reachable via sys_socket */
#define __IGNORE_recvmmsg