mm: report the MMU pagesize in /proc/pid/smaps

[mv-sheeva.git] / include / linux / hugetlb.h

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 32e0ef0f6e1fcdd7f67d83ffe985e6cbe8eb9a08..f1d2fba19ea0a98ba97490a0b4184251365a3a6c 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,
@@ -79,7 +79,9 @@ 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
@@ -231,6 +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;
@@ -271,6 +277,8 @@ struct hstate {};
 #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
 static inline unsigned int pages_per_huge_page(struct hstate *h)