Messages in this thread Patch in this message | | | From | Jan Stancek <> | Subject | [PATCH] mm/hugetlb: use EOPNOTSUPP in hugetlb sysctl handlers | Date | Thu, 3 Mar 2016 11:02:51 +0100 |
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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 <akpm@linux-foundation.org> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Hillf Danton <hillf.zj@alibaba-inc.com> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jan Stancek <jstancek@redhat.com> --- 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
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