headers_check fix: linux/if_ppp.h

[safe/jmp/linux-2.6] / include / linux / hugetlb.h

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 58c0de3..f1d2fba 100644 (file)
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -27,7 +27,7 @@ void unmap_hugepage_range(struct vm_area_struct *,
 void __unmap_hugepage_range(struct vm_area_struct *,
                        unsigned long, unsigned long, struct page *);
 int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
-int hugetlb_report_meminfo(char *);
+void hugetlb_report_meminfo(struct seq_file *);
 int hugetlb_report_node_meminfo(int, char *);
 unsigned long hugetlb_total_pages(void);
 int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
@@ -39,6 +39,7 @@ void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed);
 extern unsigned long hugepages_treat_as_movable;
 extern const unsigned long hugetlb_zero, hugetlb_infinity;
 extern int sysctl_hugetlb_shm_group;
+extern struct list_head huge_boot_pages;
 
 /* arch callbacks */
 
@@ -50,7 +51,10 @@ struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
                              int write);
 struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
                                pmd_t *pmd, int write);
+struct page *follow_huge_pud(struct mm_struct *mm, unsigned long address,
+                               pud_t *pud, int write);
 int pmd_huge(pmd_t pmd);
+int pud_huge(pud_t pmd);
 void hugetlb_change_protection(struct vm_area_struct *vma,
                unsigned long address, unsigned long end, pgprot_t newprot);
 
@@ -75,11 +79,15 @@ static inline unsigned long hugetlb_total_pages(void)
 #define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; })
 #define hugetlb_prefault(mapping, vma)         ({ BUG(); 0; })
 #define unmap_hugepage_range(vma, start, end, page)    BUG()
-#define hugetlb_report_meminfo(buf)            0
+static inline void hugetlb_report_meminfo(struct seq_file *m)
+{
+}
 #define hugetlb_report_node_meminfo(n, buf)    0
 #define follow_huge_pmd(mm, addr, pmd, write)  NULL
+#define follow_huge_pud(mm, addr, pud, write)  NULL
 #define prepare_hugepage_range(file, addr, len)        (-EINVAL)
 #define pmd_huge(x)    0
+#define pud_huge(x)    0
 #define is_hugepage_only_range(mm, addr, len)  0
 #define hugetlb_free_pgd_range(tlb, addr, end, floor, ceiling) ({BUG(); 0; })
 #define hugetlb_fault(mm, vma, addr, write)    ({ BUG(); 0; })
@@ -183,6 +191,14 @@ struct hstate {
        char name[HSTATE_NAME_LEN];
 };
 
+struct huge_bootmem_page {
+       struct list_head list;
+       struct hstate *hstate;
+};
+
+/* arch callback */
+int __init alloc_bootmem_huge_page(struct hstate *h);
+
 void __init hugetlb_add_hstate(unsigned order);
 struct hstate *size_to_hstate(unsigned long size);
 
@@ -217,6 +233,10 @@ static inline unsigned long huge_page_size(struct hstate *h)
        return (unsigned long)PAGE_SIZE << h->order;
 }
 
+extern unsigned long vma_kernel_pagesize(struct vm_area_struct *vma);
+
+extern unsigned long vma_mmu_pagesize(struct vm_area_struct *vma);
+
 static inline unsigned long huge_page_mask(struct hstate *h)
 {
        return h->mask;
@@ -251,14 +271,20 @@ static inline struct hstate *page_hstate(struct page *page)
 
 #else
 struct hstate {};
+#define alloc_bootmem_huge_page(h) NULL
 #define hstate_file(f) NULL
 #define hstate_vma(v) NULL
 #define hstate_inode(i) NULL
 #define huge_page_size(h) PAGE_SIZE
 #define huge_page_mask(h) PAGE_MASK
+#define vma_kernel_pagesize(v) PAGE_SIZE
+#define vma_mmu_pagesize(v) PAGE_SIZE
 #define huge_page_order(h) 0
 #define huge_page_shift(h) PAGE_SHIFT
-#define pages_per_huge_page(h) 1
+static inline unsigned int pages_per_huge_page(struct hstate *h)
+{
+       return 1;
+}
 #endif
 
 #endif /* _LINUX_HUGETLB_H */