diff options
Diffstat (limited to 'include/linux/hugetlb.h')
| -rw-r--r-- | include/linux/hugetlb.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 4bc9445222f2..c5e40ff916ad 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -344,6 +344,16 @@ static inline pgoff_t basepage_index(struct page *page) return __basepage_index(page); } +static inline bool hugepages_supported(void) +{ + /* + * Some platform decide whether they support huge pages at boot + * time. On these, such as powerpc, HPAGE_SHIFT is set to 0 when + * there is no such support + */ + return HPAGE_SHIFT != 0; +} + #else struct hstate {}; #define alloc_huge_page_node(h, nid) NULL |