38 lines
761 B
C
38 lines
761 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _LINUX_ZSWAP_H
|
|
#define _LINUX_ZSWAP_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/mm_types.h>
|
|
|
|
extern u64 zswap_pool_total_size;
|
|
extern atomic_t zswap_stored_pages;
|
|
|
|
#ifdef CONFIG_ZSWAP
|
|
|
|
bool zswap_store(struct folio *folio);
|
|
bool zswap_load(struct folio *folio);
|
|
void zswap_invalidate(int type, pgoff_t offset);
|
|
void zswap_swapon(int type);
|
|
void zswap_swapoff(int type);
|
|
|
|
#else
|
|
|
|
static inline bool zswap_store(struct folio *folio)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline bool zswap_load(struct folio *folio)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
static inline void zswap_invalidate(int type, pgoff_t offset) {}
|
|
static inline void zswap_swapon(int type) {}
|
|
static inline void zswap_swapoff(int type) {}
|
|
|
|
#endif
|
|
|
|
#endif /* _LINUX_ZSWAP_H */
|