mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 19:53:59 +08:00
64cdd548ff
#ifdef in *.c file decrease source readability a bit. removing is better. This patch doesn't have any functional change. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
#ifndef _LINUX_MIGRATE_H
|
|
#define _LINUX_MIGRATE_H
|
|
|
|
#include <linux/mm.h>
|
|
#include <linux/mempolicy.h>
|
|
|
|
typedef struct page *new_page_t(struct page *, unsigned long private, int **);
|
|
|
|
#ifdef CONFIG_MIGRATION
|
|
#define PAGE_MIGRATION 1
|
|
|
|
extern int putback_lru_pages(struct list_head *l);
|
|
extern int migrate_page(struct address_space *,
|
|
struct page *, struct page *);
|
|
extern int migrate_pages(struct list_head *l, new_page_t x, unsigned long);
|
|
|
|
extern int fail_migrate_page(struct address_space *,
|
|
struct page *, struct page *);
|
|
|
|
extern int migrate_prep(void);
|
|
extern int migrate_vmas(struct mm_struct *mm,
|
|
const nodemask_t *from, const nodemask_t *to,
|
|
unsigned long flags);
|
|
#else
|
|
#define PAGE_MIGRATION 0
|
|
|
|
static inline int putback_lru_pages(struct list_head *l) { return 0; }
|
|
static inline int migrate_pages(struct list_head *l, new_page_t x,
|
|
unsigned long private) { return -ENOSYS; }
|
|
|
|
static inline int migrate_pages_to(struct list_head *pagelist,
|
|
struct vm_area_struct *vma, int dest) { return 0; }
|
|
|
|
static inline int migrate_prep(void) { return -ENOSYS; }
|
|
|
|
static inline int migrate_vmas(struct mm_struct *mm,
|
|
const nodemask_t *from, const nodemask_t *to,
|
|
unsigned long flags)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
/* Possible settings for the migrate_page() method in address_operations */
|
|
#define migrate_page NULL
|
|
#define fail_migrate_page NULL
|
|
|
|
#endif /* CONFIG_MIGRATION */
|
|
#endif /* _LINUX_MIGRATE_H */
|