diff options
Diffstat (limited to 'arch/x86/mm')
-rw-r--r-- | arch/x86/mm/hugetlbpage.c | 4 | ||||
-rw-r--r-- | arch/x86/mm/pageattr.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index 42982b26e32b..740d7ac03a55 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -173,10 +173,10 @@ static __init int setup_hugepagesz(char *opt) } __setup("hugepagesz=", setup_hugepagesz); -#ifdef CONFIG_CMA +#if (defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || defined(CONFIG_CMA) static __init int gigantic_pages_init(void) { - /* With CMA we can allocate gigantic pages at runtime */ + /* With compaction or CMA we can allocate gigantic pages at runtime */ if (cpu_has_gbpages && !size_to_hstate(1UL << PUD_SHIFT)) hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); return 0; diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index fc6a4c8f6e2a..2440814b0069 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -33,7 +33,7 @@ struct cpa_data { pgd_t *pgd; pgprot_t mask_set; pgprot_t mask_clr; - int numpages; + unsigned long numpages; int flags; unsigned long pfn; unsigned force_split : 1; @@ -1350,7 +1350,7 @@ static int __change_page_attr_set_clr(struct cpa_data *cpa, int checkalias) * CPA operation. Either a large page has been * preserved or a single page update happened. */ - BUG_ON(cpa->numpages > numpages); + BUG_ON(cpa->numpages > numpages || !cpa->numpages); numpages -= cpa->numpages; if (cpa->flags & (CPA_PAGES_ARRAY | CPA_ARRAY)) cpa->curpage++; |