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-rw-r--r--arch/mips/include/asm/mmu.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mmu.h b/arch/mips/include/asm/mmu.h
new file mode 100644
index 0000000000..5df0238f63
--- /dev/null
+++ b/arch/mips/include/asm/mmu.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __ASM_MMU_H
+#define __ASM_MMU_H
+
+#include <linux/atomic.h>
+#include <linux/spinlock.h>
+#include <linux/wait.h>
+
+typedef struct {
+ union {
+ u64 asid[NR_CPUS];
+ atomic64_t mmid;
+ };
+
+ void *vdso;
+
+ /* lock to be held whilst modifying fp_bd_emupage_allocmap */
+ spinlock_t bd_emupage_lock;
+ /* bitmap tracking allocation of fp_bd_emupage */
+ unsigned long *bd_emupage_allocmap;
+ /* wait queue for threads requiring an emuframe */
+ wait_queue_head_t bd_emupage_queue;
+} mm_context_t;
+
+#endif /* __ASM_MMU_H */