linux-kernel - Re: [PATCHv3 1/6] mm/gup_benchmark: Time put

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Message-ID: <20181002105450.2t6b4uprplhu2r4a@black.fi.intel.com>
Date:   Tue, 2 Oct 2018 13:54:50 +0300
From:   "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:     Keith Busch <keith.busch@...el.com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Dave Hansen <dave.hansen@...el.com>,
        Dan Williams <dan.j.williams@...el.com>
Subject: Re: [PATCHv3 1/6] mm/gup_benchmark: Time put_page

On Fri, Sep 21, 2018 at 10:39:51PM +0000, Keith Busch wrote:
> We'd like to measure time to unpin user pages, so this adds a second
> benchmark timer on put_page, separate from get_page.
> 
> Adding the field will breaks this ioctl ABI, but should be okay since
> this an in-tree kernel selftest.
> 
> Cc: Kirill Shutemov <kirill.shutemov@...ux.intel.com>
> Cc: Dave Hansen <dave.hansen@...el.com>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Signed-off-by: Keith Busch <keith.busch@...el.com>

Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

-- 
 Kirill A. Shutemov