#ifndef __ASSEMBLY__
#include <linux/mmdebug.h>
+#include <linux/mmzone.h>
#include <asm/processor.h> /* For TASK_SIZE */
#include <asm/mmu.h>
#include <asm/page.h>
static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); }
#ifdef CONFIG_NUMA_BALANCING
-
static inline int pte_present(pte_t pte)
{
- return pte_val(pte) & (_PAGE_PRESENT | _PAGE_NUMA);
+ return pte_val(pte) & _PAGE_NUMA_MASK;
}
#define pte_present_nonuma pte_present_nonuma
return pte_val(pte) & (_PAGE_PRESENT);
}
-#define pte_numa pte_numa
-static inline int pte_numa(pte_t pte)
-{
- return (pte_val(pte) &
- (_PAGE_NUMA|_PAGE_PRESENT)) == _PAGE_NUMA;
-}
-
-#define pte_mknonnuma pte_mknonnuma
-static inline pte_t pte_mknonnuma(pte_t pte)
-{
- pte_val(pte) &= ~_PAGE_NUMA;
- pte_val(pte) |= _PAGE_PRESENT | _PAGE_ACCESSED;
- return pte;
-}
-
-#define pte_mknuma pte_mknuma
-static inline pte_t pte_mknuma(pte_t pte)
-{
- /*
- * We should not set _PAGE_NUMA on non present ptes. Also clear the
- * present bit so that hash_page will return 1 and we collect this
- * as numa fault.
- */
- if (pte_present(pte)) {
- pte_val(pte) |= _PAGE_NUMA;
- pte_val(pte) &= ~_PAGE_PRESENT;
- } else
- VM_BUG_ON(1);
- return pte;
-}
-
#define ptep_set_numa ptep_set_numa
static inline void ptep_set_numa(struct mm_struct *mm, unsigned long addr,
pte_t *ptep)
return;
}
-#define pmd_numa pmd_numa
-static inline int pmd_numa(pmd_t pmd)
-{
- return pte_numa(pmd_pte(pmd));
-}
-
#define pmdp_set_numa pmdp_set_numa
static inline void pmdp_set_numa(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp)
return;
}
-#define pmd_mknonnuma pmd_mknonnuma
-static inline pmd_t pmd_mknonnuma(pmd_t pmd)
+/*
+ * Generic NUMA pte helpers expect pteval_t and pmdval_t types to exist
+ * which was inherited from x86. For the purposes of powerpc pte_basic_t and
+ * pmd_t are equivalent
+ */
+#define pteval_t pte_basic_t
+#define pmdval_t pmd_t
+static inline pteval_t ptenuma_flags(pte_t pte)
{
- return pte_pmd(pte_mknonnuma(pmd_pte(pmd)));
+ return pte_val(pte) & _PAGE_NUMA_MASK;
}
-#define pmd_mknuma pmd_mknuma
-static inline pmd_t pmd_mknuma(pmd_t pmd)
+static inline pmdval_t pmdnuma_flags(pmd_t pmd)
{
- return pte_pmd(pte_mknuma(pmd_pte(pmd)));
+ return pmd_val(pmd) & _PAGE_NUMA_MASK;
}
# else
extern pgd_t swapper_pg_dir[];
+void limit_zone_pfn(enum zone_type zone, unsigned long max_pfn);
+int dma_pfn_limit_to_zone(u64 pfn_limit);
extern void paging_init(void);
/*