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

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Date:	Mon, 7 Mar 2016 14:18:07 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Jan Stancek <jstancek@...hat.com>
cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, n-horiguchi@...jp.nec.com,
	mike.kravetz@...cle.com, hillf.zj@...baba-inc.com,
	kirill.shutemov@...ux.intel.com, dave.hansen@...ux.intel.com,
	paul.gortmaker@...driver.com
Subject: Re: [PATCH] mm/hugetlb: use EOPNOTSUPP in hugetlb sysctl handlers

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@...ux-foundation.org>
> Cc: Naoya Horiguchi <n-horiguchi@...jp.nec.com>
> Cc: Mike Kravetz <mike.kravetz@...cle.com>
> Cc: Hillf Danton <hillf.zj@...baba-inc.com>
> Cc: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
> Cc: Paul Gortmaker <paul.gortmaker@...driver.com>
> 
> Signed-off-by: Jan Stancek <jstancek@...hat.com>

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