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-rw-r--r--drivers/staging/ramster/zbud.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/staging/ramster/zbud.h b/drivers/staging/ramster/zbud.h
new file mode 100644
index 000000000000..891e8a7d5aa5
--- /dev/null
+++ b/drivers/staging/ramster/zbud.h
@@ -0,0 +1,33 @@
+/*
+ * zbud.h
+ *
+ * Copyright (c) 2010-2012, Dan Magenheimer, Oracle Corp.
+ *
+ */
+
+#ifndef _ZBUD_H_
+#define _ZBUD_H_
+
+#include "tmem.h"
+
+struct zbudref;
+
+extern unsigned int zbud_max_buddy_size(void);
+extern struct zbudref *zbud_match_prep(struct tmem_handle *th, bool eph,
+ void *cdata, unsigned size);
+extern struct zbudref *zbud_create_prep(struct tmem_handle *th, bool eph,
+ void *cdata, unsigned size,
+ struct page *newpage);
+extern void zbud_create_finish(struct zbudref *, bool);
+extern int zbud_decompress(struct page *, struct zbudref *, bool,
+ void (*func)(char *, unsigned int, char *));
+extern int zbud_copy_from_zbud(char *, struct zbudref *, size_t *, bool);
+extern int zbud_copy_to_zbud(struct zbudref *, char *, bool);
+extern struct page *zbud_free_and_delist(struct zbudref *, bool eph,
+ unsigned int *, unsigned int *);
+extern struct page *zbud_evict_pageframe_lru(unsigned int *, unsigned int *);
+extern unsigned int zbud_make_zombie_lru(struct tmem_handle *, unsigned char **,
+ unsigned int *, bool);
+extern void zbud_init(void);
+
+#endif /* _ZBUD_H_ */