diff options
| -rw-r--r-- | include/linux/hugetlb.h | 3 | ||||
| -rw-r--r-- | mm/hugetlb.c | 10 |
2 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 59225ef27d1..19644e0016b 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -231,6 +231,9 @@ struct hstate { struct huge_bootmem_page { struct list_head list; struct hstate *hstate; +#ifdef CONFIG_HIGHMEM + phys_addr_t phys; +#endif }; struct page *alloc_huge_page_node(struct hstate *h, int nid); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index bfcf153bc82..c6d342d313c 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1105,8 +1105,16 @@ static void __init gather_bootmem_prealloc(void) struct huge_bootmem_page *m; list_for_each_entry(m, &huge_boot_pages, list) { - struct page *page = virt_to_page(m); struct hstate *h = m->hstate; + struct page *page; + +#ifdef CONFIG_HIGHMEM + page = pfn_to_page(m->phys >> PAGE_SHIFT); + free_bootmem_late((unsigned long)m, + sizeof(struct huge_bootmem_page)); +#else + page = virt_to_page(m); +#endif __ClearPageReserved(page); WARN_ON(page_count(page) != 1); prep_compound_huge_page(page, h->order); |