pagemap-cache: Use page.h helpers

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/pagemap-cache.h

@@ -2,14 +2,14 @@
 #define __CR_PAGEMAP_H__
 
 #include <sys/types.h>
-#include "asm/types.h"
+#include "asm-generic/page.h"
+#include "asm/int.h"
 
 #include "list.h"
 
 struct vma_area;
 
-#define	PAGEMAP_PFN(addr)	((addr) / PAGE_SIZE)
-#define PAGEMAP_PFN_OFF(addr)	(PAGEMAP_PFN(addr) * sizeof(u64))
+#define PAGEMAP_PFN_OFF(addr)	(PAGE_PFN(addr) * sizeof(u64))
 
 typedef struct {
 	pid_t			pid;		/* which process it belongs */

mem.c

@@ -108,7 +108,7 @@ static inline bool page_in_parent(u64 pme)
 
 static int generate_iovs(struct vma_area *vma, struct page_pipe *pp, u64 *map, u64 *off)
 {
-	u64 *at = &map[PAGEMAP_PFN(*off)];
+	u64 *at = &map[PAGE_PFN(*off)];
 	unsigned long pfn, nr_to_scan;
 	unsigned long pages[2] = {};
 

pagemap-cache.c

@@ -17,7 +17,7 @@
 #define PMC_MASK		(~(PMC_SIZE - 1))
 #define PMC_SIZE_GAP		(PMC_SIZE / 4)
 
-#define PAGEMAP_LEN(addr)	(PAGEMAP_PFN(addr) * sizeof(u64))
+#define PAGEMAP_LEN(addr)	(PAGE_PFN(addr) * sizeof(u64))
 
 static inline void pmc_reset(pmc_t *pmc)
 {
@@ -56,7 +56,7 @@ int pmc_init(pmc_t *pmc, pid_t pid, struct list_head *vma_head, size_t size)
 
 static inline u64 *__pmc_get_map(pmc_t *pmc, unsigned long addr)
 {
-	return &pmc->map[PAGEMAP_PFN(addr - pmc->start)];
+	return &pmc->map[PAGE_PFN(addr - pmc->start)];
 }
 
 static int pmc_fill_cache(pmc_t *pmc, struct vma_area *vma)