void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
unsigned long floor, unsigned long ceiling);
-extern void prep_compound_page(struct page *page, unsigned long order);
-extern void prep_compound_gigantic_page(struct page *page, unsigned long order);
-
static inline void set_page_count(struct page *page, int v)
{
atomic_set(&page->_count, v);
atomic_dec(&page->_count);
}
+extern unsigned long highest_memmap_pfn;
+
/*
* in mm/vmscan.c:
*/
/*
* in mm/page_alloc.c
*/
-extern unsigned long highest_memmap_pfn;
extern void __free_pages_bootmem(struct page *page, unsigned int order);
+extern void prep_compound_page(struct page *page, unsigned long order);
+
/*
* function for dealing with page's order in buddy system.
}
#endif
-#ifdef CONFIG_UNEVICTABLE_LRU
/*
* unevictable_migrate_page() called only from migrate_page_copy() to
* migrate unevictable flag to new page.
if (TestClearPageUnevictable(old))
SetPageUnevictable(new);
}
-#else
-static inline void unevictable_migrate_page(struct page *new, struct page *old)
-{
-}
-#endif
#ifdef CONFIG_HAVE_MLOCKED_PAGE_BIT
/*
}
}
-/*
- * free_page_mlock() -- clean up attempts to free and mlocked() page.
- * Page should not be on lru, so no need to fix that up.
- * free_pages_check() will verify...
- */
-static inline void free_page_mlock(struct page *page)
-{
- __ClearPageMlocked(page);
- __dec_zone_page_state(page, NR_MLOCK);
- __count_vm_event(UNEVICTABLE_MLOCKFREED);
-}
-
#else /* CONFIG_HAVE_MLOCKED_PAGE_BIT */
static inline int is_mlocked_vma(struct vm_area_struct *v, struct page *p)
{
static inline void clear_page_mlock(struct page *page) { }
static inline void mlock_vma_page(struct page *page) { }
static inline void mlock_migrate_page(struct page *new, struct page *old) { }
-static inline void free_page_mlock(struct page *page) { }
#endif /* CONFIG_HAVE_MLOCKED_PAGE_BIT */
}
#endif /* CONFIG_SPARSEMEM */
-#define GUP_FLAGS_WRITE 0x1
-#define GUP_FLAGS_FORCE 0x2
-#define GUP_FLAGS_IGNORE_VMA_PERMISSIONS 0x4
-#define GUP_FLAGS_IGNORE_SIGKILL 0x8
-
int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
- unsigned long start, int len, int flags,
+ unsigned long start, int len, unsigned int foll_flags,
struct page **pages, struct vm_area_struct **vmas);
+#define ZONE_RECLAIM_NOSCAN -2
+#define ZONE_RECLAIM_FULL -1
+#define ZONE_RECLAIM_SOME 0
+#define ZONE_RECLAIM_SUCCESS 1
#endif