summaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm/set_memory.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/include/asm/set_memory.h')
-rw-r--r--arch/s390/include/asm/set_memory.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/s390/include/asm/set_memory.h b/arch/s390/include/asm/set_memory.h
new file mode 100644
index 000000000..c59a83536
--- /dev/null
+++ b/arch/s390/include/asm/set_memory.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASMS390_SET_MEMORY_H
+#define _ASMS390_SET_MEMORY_H
+
+#define SET_MEMORY_RO 1UL
+#define SET_MEMORY_RW 2UL
+#define SET_MEMORY_NX 4UL
+#define SET_MEMORY_X 8UL
+
+int __set_memory(unsigned long addr, int numpages, unsigned long flags);
+
+static inline int set_memory_ro(unsigned long addr, int numpages)
+{
+ return __set_memory(addr, numpages, SET_MEMORY_RO);
+}
+
+static inline int set_memory_rw(unsigned long addr, int numpages)
+{
+ return __set_memory(addr, numpages, SET_MEMORY_RW);
+}
+
+static inline int set_memory_nx(unsigned long addr, int numpages)
+{
+ return __set_memory(addr, numpages, SET_MEMORY_NX);
+}
+
+static inline int set_memory_x(unsigned long addr, int numpages)
+{
+ return __set_memory(addr, numpages, SET_MEMORY_X);
+}
+
+#endif