mm/sparse: abstract sparse buffer allocations

[linux.git] / include / linux / mm.h

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 68a5121694ef51e177b99a3e4dd26ca1ae5ffcc8..4ace5d50a89206602535a6e047d2b58738d25b97 100644 (file)
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2671,6 +2671,10 @@ void sparse_mem_maps_populate_node(struct page **map_map,
                                   unsigned long map_count,
                                   int nodeid);
 
+unsigned long __init section_map_size(void);
+void sparse_buffer_init(unsigned long size, int nid);
+void sparse_buffer_fini(void);
+void *sparse_buffer_alloc(unsigned long size);
 struct page *sparse_mem_map_populate(unsigned long pnum, int nid,
                struct vmem_altmap *altmap);
 pgd_t *vmemmap_pgd_populate(unsigned long addr, int node);
@@ -2752,7 +2756,8 @@ extern void clear_huge_page(struct page *page,
                            unsigned long addr_hint,
                            unsigned int pages_per_huge_page);
 extern void copy_user_huge_page(struct page *dst, struct page *src,
-                               unsigned long addr, struct vm_area_struct *vma,
+                               unsigned long addr_hint,
+                               struct vm_area_struct *vma,
                                unsigned int pages_per_huge_page);
 extern long copy_huge_page_from_user(struct page *dst_page,
                                const void __user *usr_src,