Add build system scaffolding and libc headers

1 files changed, 75 insertions, 0 deletions

diff --git a/include/arch/x86_64/linux/mempolicy.h b/include/arch/x86_64/linux/mempolicy.h
new file mode 100644
index 00000000..3e1b25c9
--- /dev/null
+++ b/include/arch/x86_64/linux/mempolicy.h
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * NUMA memory policies for Linux.
+ * Copyright 2003,2004 Andi Kleen SuSE Labs
+ */
+#ifndef _LINUX_MEMPOLICY_H
+#define _LINUX_MEMPOLICY_H
+
+#include <linux/errno.h>
+
+/*
+ * Both the MPOL_* mempolicy mode and the MPOL_F_* optional mode flags are
+ * passed by the user to either set_mempolicy() or mbind() in an 'int' actual.
+ * The MPOL_MODE_FLAGS macro determines the legal set of optional mode flags.
+ */
+
+/* Policies */
+enum {
+	MPOL_DEFAULT,
+	MPOL_PREFERRED,
+	MPOL_BIND,
+	MPOL_INTERLEAVE,
+	MPOL_LOCAL,
+	MPOL_PREFERRED_MANY,
+	MPOL_WEIGHTED_INTERLEAVE,
+	MPOL_MAX, /* always last member of enum */
+};
+
+/* Flags for set_mempolicy */
+#define MPOL_F_STATIC_NODES   (1 << 15)
+#define MPOL_F_RELATIVE_NODES (1 << 14)
+#define MPOL_F_NUMA_BALANCING \
+	(1 << 13) /* Optimize with NUMA balancing if possible */
+
+/*
+ * MPOL_MODE_FLAGS is the union of all possible optional mode flags passed to
+ * either set_mempolicy() or mbind().
+ */
+#define MPOL_MODE_FLAGS \
+	(MPOL_F_STATIC_NODES | MPOL_F_RELATIVE_NODES | MPOL_F_NUMA_BALANCING)
+
+/* Flags for get_mempolicy */
+#define MPOL_F_NODE	    (1 << 0) /* return next IL mode instead of node mask */
+#define MPOL_F_ADDR	    (1 << 1) /* look up vma using address */
+#define MPOL_F_MEMS_ALLOWED (1 << 2) /* return allowed memories */
+
+/* Flags for mbind */
+#define MPOL_MF_STRICT (1 << 0) /* Verify existing pages in the mapping */
+#define MPOL_MF_MOVE                                            \
+	(1 << 1) /* Move pages owned by this process to conform \
+		    to policy */
+#define MPOL_MF_MOVE_ALL (1 << 2) /* Move every page to conform to policy */
+#define MPOL_MF_LAZY	 (1 << 3) /* UNSUPPORTED FLAG: Lazy migrate on fault */
+#define MPOL_MF_INTERNAL (1 << 4) /* Internal flags start here */
+
+#define MPOL_MF_VALID (MPOL_MF_STRICT | MPOL_MF_MOVE | MPOL_MF_MOVE_ALL)
+
+/*
+ * Internal flags that share the struct mempolicy flags word with
+ * "mode flags".  These flags are allocated from bit 0 up, as they
+ * are never OR'ed into the mode in mempolicy API arguments.
+ */
+#define MPOL_F_SHARED (1 << 0) /* identify shared policies */
+#define MPOL_F_MOF    (1 << 3) /* this policy wants migrate on fault */
+#define MPOL_F_MORON  (1 << 4) /* Migrate On protnone Reference On Node */
+
+/*
+ * These bit locations are exposed in the vm.zone_reclaim_mode sysctl
+ * ABI.  New bits are OK, but existing bits can never change.
+ */
+#define RECLAIM_ZONE  (1 << 0) /* Run shrink_inactive_list on the zone */
+#define RECLAIM_WRITE (1 << 1) /* Writeout pages during reclaim */
+#define RECLAIM_UNMAP (1 << 2) /* Unmap pages during reclaim */
+
+#endif /* _LINUX_MEMPOLICY_H */