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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/s390/numa/numa_mode.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/s390/numa/numa_mode.h')
-rw-r--r--arch/s390/numa/numa_mode.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/s390/numa/numa_mode.h b/arch/s390/numa/numa_mode.h
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+++ b/arch/s390/numa/numa_mode.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * NUMA support for s390
+ *
+ * Define declarations used for communication between NUMA mode
+ * implementations and NUMA core functionality.
+ *
+ * Copyright IBM Corp. 2015
+ */
+#ifndef __S390_NUMA_MODE_H
+#define __S390_NUMA_MODE_H
+
+struct numa_mode {
+ char *name; /* Name of mode */
+ void (*setup)(void); /* Initizalize mode */
+ void (*update_cpu_topology)(void); /* Called by topology code */
+ int (*__pfn_to_nid)(unsigned long pfn); /* PFN to node ID */
+ unsigned long (*align)(void); /* Minimum node alignment */
+ int (*distance)(int a, int b); /* Distance between two nodes */
+};
+
+extern const struct numa_mode numa_mode_plain;
+extern const struct numa_mode numa_mode_emu;
+
+#endif /* __S390_NUMA_MODE_H */