Replace ENOTSUPP with EOPNOTSUPP. If hugepages are not supported, this value is propagated to userspace. EOPNOTSUPP is part of uapi and is widely supported by libc libraries.
Cc: Andrew Morton <[email protected]> Cc: Naoya Horiguchi <[email protected]> Cc: Mike Kravetz <[email protected]> Cc: Hillf Danton <[email protected]> Cc: "Kirill A. Shutemov" <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Paul Gortmaker <[email protected]> Signed-off-by: Jan Stancek <[email protected]> --- mm/hugetlb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 01f2b48c8618..851a29928a99 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2751,7 +2751,7 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy, int ret; if (!hugepages_supported()) - return -ENOTSUPP; + return -EOPNOTSUPP; table->data = &tmp; table->maxlen = sizeof(unsigned long); @@ -2792,7 +2792,7 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write, int ret; if (!hugepages_supported()) - return -ENOTSUPP; + return -EOPNOTSUPP; tmp = h->nr_overcommit_huge_pages; -- 1.8.3.1

