mirror of
https://github.com/torvalds/linux.git
synced 2026-10-07 22:37:45 -04:00
Johannes Weiner
5d1ea48bdd
Now that the external page_cgroup data structure and its lookup is gone, the only code remaining in there is swap slot accounting. Rename it and move the conditional compilation into mm/Makefile. Signed-off-by: Johannes Weiner <[email protected]> Acked-by: Michal Hocko <[email protected]> Acked-by: Vladimir Davydov <[email protected]> Acked-by: David S. Miller <[email protected]> Acked-by: KAMEZAWA Hiroyuki <[email protected]> Cc: "Kirill A. Shutemov" <[email protected]> Cc: Tejun Heo <[email protected]> Cc: Joonsoo Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
43 lines
876 B
C
43 lines
876 B
C
#ifndef __LINUX_SWAP_CGROUP_H
|
|
#define __LINUX_SWAP_CGROUP_H
|
|
|
|
#include <linux/swap.h>
|
|
|
|
#ifdef CONFIG_MEMCG_SWAP
|
|
|
|
extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent,
|
|
unsigned short old, unsigned short new);
|
|
extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id);
|
|
extern unsigned short lookup_swap_cgroup_id(swp_entry_t ent);
|
|
extern int swap_cgroup_swapon(int type, unsigned long max_pages);
|
|
extern void swap_cgroup_swapoff(int type);
|
|
|
|
#else
|
|
|
|
static inline
|
|
unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline
|
|
unsigned short lookup_swap_cgroup_id(swp_entry_t ent)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
swap_cgroup_swapon(int type, unsigned long max_pages)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void swap_cgroup_swapoff(int type)
|
|
{
|
|
return;
|
|
}
|
|
|
|
#endif /* CONFIG_MEMCG_SWAP */
|
|
|
|
#endif /* __LINUX_SWAP_CGROUP_H */
|