> -void copy_huge_page(struct page *dst, struct page *src) > -{ > - int i; > - struct hstate *h = page_hstate(src); > - > - if (unlikely(pages_per_huge_page(h) > MAX_ORDER_NR_PAGES)) {
With CONFIG_HUGETLB_PAGE=n, the kernel fails to build, throwing this error: mm/migrate.c: In function ‘copy_huge_page’: mm/migrate.c:473: error: implicit declaration of function ‘page_hstate’ I got it to build by sticking the following into hugetlb.h: diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 4694afc..fd76912 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -403,6 +403,7 @@ struct hstate {}; #define hstate_sizelog(s) NULL #define hstate_vma(v) NULL #define hstate_inode(i) NULL +#define page_hstate(p) NULL #define huge_page_size(h) PAGE_SIZE #define huge_page_mask(h) PAGE_MASK #define vma_kernel_pagesize(v) PAGE_SIZE I figure that the #define I stuck in isn't actually solving the real problem, but it got things working again. - Alex -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/