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tools/: replace open encodings for NUMA_NO_NODE

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This replaces all open encodings in tools with NUMA_NO_NODE.  Also
linux/numa.h is now needed for the perf build.

[sfr@canb.auug.org.au: fix for replace open encodings for NUMA_NO_NODE]
  Link: http://lkml.kernel.org/r/20190108131141.730e9c4f@canb.auug.org.au
Link: http://lkml.kernel.org/r/1545127933-10711-3-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: David Hildenbrand <david@redhat.com>
Cc: Doug Ledford <dledford@redhat.com>		[drivers/infiniband]
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>	[ixgbe]
Cc: Jens Axboe <axboe@kernel.dk>			[mtip32xx]
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>		[powerpc]
Cc: Vinod Koul <vkoul@kernel.org>			[dmaengine.c]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Stephen Rothwell 2019-03-05 15:43:01 -08:00 committed by Linus Torvalds
parent 98fa15f34c
commit 7c9eefe82c
2 changed files with 20 additions and 3 deletions
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16
tools/include/linux/numa.h Normal file
View File

@ -0,0 +1,16 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_NUMA_H
#define _LINUX_NUMA_H
#ifdef CONFIG_NODES_SHIFT
#define NODES_SHIFT CONFIG_NODES_SHIFT
#else
#define NODES_SHIFT 0
#endif
#define MAX_NUMNODES (1 << NODES_SHIFT)
#define NUMA_NO_NODE (-1)
#endif /* _LINUX_NUMA_H */

7
tools/perf/bench/numa.c
View File

@ -34,6 +34,7 @@
#include <sys/types.h>
#include <linux/kernel.h>
#include <linux/time64.h>
#include <linux/numa.h>
#include <numa.h>
#include <numaif.h>
@ -298,7 +299,7 @@ static cpu_set_t bind_to_node(int target_node)
CPU_ZERO(&mask);
if (target_node == -1) {
if (target_node == NUMA_NO_NODE) {
for (cpu = 0; cpu < g->p.nr_cpus; cpu++)
CPU_SET(cpu, &mask);
} else {
@ -339,7 +340,7 @@ static void bind_to_memnode(int node)
unsigned long nodemask;
int ret;
if (node == -1)
if (node == NUMA_NO_NODE)
return;
BUG_ON(g->p.nr_nodes > (int)sizeof(nodemask)*8);
@ -1363,7 +1364,7 @@ static void init_thread_data(void)
int cpu;
/* Allow all nodes by default: */
td->bind_node = -1;
td->bind_node = NUMA_NO_NODE;
/* Allow all CPUs by default: */
CPU_ZERO(&td->bind_cpumask);