}
/*
+ * Return the page size being used by the MMU to back a VMA. In the majority
+ * of cases, the page size used by the kernel matches the MMU size. On
+ * architectures where it differs, an architecture-specific version of this
+ * function is required.
+ */
+#ifndef vma_mmu_pagesize
+unsigned long vma_mmu_pagesize(struct vm_area_struct *vma)
+{
+ return vma_kernel_pagesize(vma);
+}
+#endif
+
+/*
* Flags for MAP_PRIVATE reservations. These are stored in the bottom
* bits of the reservation map pointer, which are always clear due to
* alignment.
{
int i;
- if (unlikely(sz > MAX_ORDER_NR_PAGES))
- return clear_gigantic_page(page, addr, sz);
+ if (unlikely(sz > MAX_ORDER_NR_PAGES)) {
+ clear_gigantic_page(page, addr, sz);
+ return;
+ }
might_sleep();
for (i = 0; i < sz/PAGE_SIZE; i++) {
int i;
struct hstate *h = hstate_vma(vma);
- if (unlikely(pages_per_huge_page(h) > MAX_ORDER_NR_PAGES))
- return copy_gigantic_page(dst, src, addr, vma);
+ if (unlikely(pages_per_huge_page(h) > MAX_ORDER_NR_PAGES)) {
+ copy_gigantic_page(dst, src, addr, vma);
+ return;
+ }
might_sleep();
for (i = 0; i < pages_per_huge_page(h); i++) {
return page;
}
-__attribute__((weak)) int alloc_bootmem_huge_page(struct hstate *h)
+int __weak alloc_bootmem_huge_page(struct hstate *h)
{
struct huge_bootmem_page *m;
int nr_nodes = nodes_weight(node_online_map);
* puts them into the mem_map).
*/
m = addr;
- if (m)
- goto found;
+ goto found;
}
hstate_next_node(h);
nr_nodes--;