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Re: [PATCH] mm/hugetlb: use EOPNOTSUPP in hugetlb sysctl handlers

Started byDavid Rientjes <rientjes@google.com>
First post2016-03-07 23:20 +0100
Last post2016-03-08 04:10 +0100
Articles 2 — 2 participants

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  Re: [PATCH] mm/hugetlb: use EOPNOTSUPP in hugetlb sysctl handlers David Rientjes <rientjes@google.com> - 2016-03-07 23:20 +0100
    Re: [PATCH] mm/hugetlb: use EOPNOTSUPP in hugetlb sysctl handlers "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-03-08 04:10 +0100

#1352023 — Re: [PATCH] mm/hugetlb: use EOPNOTSUPP in hugetlb sysctl handlers

FromDavid Rientjes <rientjes@google.com>
Date2016-03-07 23:20 +0100
SubjectRe: [PATCH] mm/hugetlb: use EOPNOTSUPP in hugetlb sysctl handlers
Message-ID<rabFn-m1-9@gated-at.bofh.it>
On Thu, 3 Mar 2016, Jan Stancek wrote:

> 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>

Acked-by: David Rientjes <rientjes@google.com>

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#1352593

From"Hillf Danton" <hillf.zj@alibaba-inc.com>
Date2016-03-08 04:10 +0100
Message-ID<ragc1-3ra-1@gated-at.bofh.it>
In reply to#1352023
> 
> On Thu, 3 Mar 2016, Jan Stancek wrote:
> 
> > 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>
> 
Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>

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