/* test whether an address (unsigned long or pointer) is aligned to PAGE_SIZE */
#define PAGE_ALIGNED(addr) IS_ALIGNED((unsigned long)(addr), PAGE_SIZE)
+#define lru_to_page(head) (list_entry((head)->prev, struct page, lru))
+
/*
* Linux kernel virtual memory manager primitives.
* The idea being to have a "virtual" mm in the same way
static inline void mm_dec_nr_ptes(struct mm_struct *mm) {}
#endif
-int __pte_alloc(struct mm_struct *mm, pmd_t *pmd, unsigned long address);
-int __pte_alloc_kernel(pmd_t *pmd, unsigned long address);
+int __pte_alloc(struct mm_struct *mm, pmd_t *pmd);
+int __pte_alloc_kernel(pmd_t *pmd);
/*
* The following ifdef needed to get the 4level-fixup.h header to work.
pte_unmap(pte); \
} while (0)
-#define pte_alloc(mm, pmd, address) \
- (unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, pmd, address))
+#define pte_alloc(mm, pmd) (unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, pmd))
#define pte_alloc_map(mm, pmd, address) \
- (pte_alloc(mm, pmd, address) ? NULL : pte_offset_map(pmd, address))
+ (pte_alloc(mm, pmd) ? NULL : pte_offset_map(pmd, address))
#define pte_alloc_map_lock(mm, pmd, address, ptlp) \
- (pte_alloc(mm, pmd, address) ? \
+ (pte_alloc(mm, pmd) ? \
NULL : pte_offset_map_lock(mm, pmd, address, ptlp))
#define pte_alloc_kernel(pmd, address) \
- ((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd, address))? \
+ ((unlikely(pmd_none(*(pmd))) && __pte_alloc_kernel(pmd))? \
NULL: pte_offset_kernel(pmd, address))
#if USE_SPLIT_PMD_PTLOCKS