| Server IP : 138.197.162.186 / Your IP : 216.73.216.17 Web Server : nginx/1.24.0 System : Linux ubuntu-s-1vcpu-512mb-10gb-tor1 6.8.0-71-generic #71-Ubuntu SMP PREEMPT_DYNAMIC Tue Jul 22 16:52:38 UTC 2025 x86_64 User : root ( 0) PHP Version : 8.3.6 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /usr/src/linux-headers-6.8.0-71-generic/include/linux/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SWAP_SLOTS_H
#define _LINUX_SWAP_SLOTS_H
#include <linux/swap.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#define SWAP_SLOTS_CACHE_SIZE SWAP_BATCH
#define THRESHOLD_ACTIVATE_SWAP_SLOTS_CACHE (5*SWAP_SLOTS_CACHE_SIZE)
#define THRESHOLD_DEACTIVATE_SWAP_SLOTS_CACHE (2*SWAP_SLOTS_CACHE_SIZE)
struct swap_slots_cache {
bool lock_initialized;
struct mutex alloc_lock; /* protects slots, nr, cur */
swp_entry_t *slots;
int nr;
int cur;
spinlock_t free_lock; /* protects slots_ret, n_ret */
swp_entry_t *slots_ret;
int n_ret;
};
void disable_swap_slots_cache_lock(void);
void reenable_swap_slots_cache_unlock(void);
void enable_swap_slots_cache(void);
void free_swap_slot(swp_entry_t entry);
extern bool swap_slot_cache_enabled;
#endif /* _LINUX_SWAP_SLOTS_H */