diff options
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 254ce2b..28a2980 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -17,7 +17,7 @@ #include <linux/mutex.h> #include <linux/bootmem.h> #include <linux/sysfs.h> - +#include <asm/io.h> #include <asm/page.h> #include <asm/pgtable.h> #include <asm/io.h> @@ -1283,7 +1283,12 @@ module_exit(hugetlb_exit); static int __init hugetlb_init(void) { - BUILD_BUG_ON(HPAGE_SHIFT == 0); + /* 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 + */ + if (HPAGE_SHIFT == 0) + return 0; if (!size_to_hstate(default_hstate_size)) { default_hstate_size = HPAGE_SIZE; |
