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authorIngo Molnar <mingo@elte.hu>2008-10-28 11:26:12 -0400
committerIngo Molnar <mingo@elte.hu>2008-10-28 11:26:12 -0400
commit7a9787e1eba95a166265e6a260cf30af04ef0a99 (patch)
treee730a4565e0318140d2fbd2f0415d18a339d7336 /include/linux/migrate.h
parent41b9eb264c8407655db57b60b4457fe1b2ec9977 (diff)
parent0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff)
Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks
Diffstat (limited to 'include/linux/migrate.h')
-rw-r--r--include/linux/migrate.h24
1 files changed, 0 insertions, 24 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index e10a90a93b5d..3f34005068d4 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -3,29 +3,10 @@
3 3
4#include <linux/mm.h> 4#include <linux/mm.h>
5#include <linux/mempolicy.h> 5#include <linux/mempolicy.h>
6#include <linux/pagemap.h>
7 6
8typedef struct page *new_page_t(struct page *, unsigned long private, int **); 7typedef struct page *new_page_t(struct page *, unsigned long private, int **);
9 8
10#ifdef CONFIG_MIGRATION 9#ifdef CONFIG_MIGRATION
11/* Check if a vma is migratable */
12static inline int vma_migratable(struct vm_area_struct *vma)
13{
14 if (vma->vm_flags & (VM_IO|VM_HUGETLB|VM_PFNMAP|VM_RESERVED))
15 return 0;
16 /*
17 * Migration allocates pages in the highest zone. If we cannot
18 * do so then migration (at least from node to node) is not
19 * possible.
20 */
21 if (vma->vm_file &&
22 gfp_zone(mapping_gfp_mask(vma->vm_file->f_mapping))
23 < policy_zone)
24 return 0;
25 return 1;
26}
27
28extern int isolate_lru_page(struct page *p, struct list_head *pagelist);
29extern int putback_lru_pages(struct list_head *l); 10extern int putback_lru_pages(struct list_head *l);
30extern int migrate_page(struct address_space *, 11extern int migrate_page(struct address_space *,
31 struct page *, struct page *); 12 struct page *, struct page *);
@@ -39,11 +20,6 @@ extern int migrate_vmas(struct mm_struct *mm,
39 const nodemask_t *from, const nodemask_t *to, 20 const nodemask_t *from, const nodemask_t *to,
40 unsigned long flags); 21 unsigned long flags);
41#else 22#else
42static inline int vma_migratable(struct vm_area_struct *vma)
43 { return 0; }
44
45static inline int isolate_lru_page(struct page *p, struct list_head *list)
46 { return -ENOSYS; }
47static inline int putback_lru_pages(struct list_head *l) { return 0; } 23static inline int putback_lru_pages(struct list_head *l) { return 0; }
48static inline int migrate_pages(struct list_head *l, new_page_t x, 24static inline int migrate_pages(struct list_head *l, new_page_t x,
49 unsigned long private) { return -ENOSYS; } 25 unsigned long private) { return -ENOSYS; }