linux-kernel - Re: [PATCH 2/4] mm: rename __mlock_vma_pages_range() to populate_vma_page

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Message-ID: <alpine.DEB.2.10.1502111150400.9656@chino.kir.corp.google.com>
Date:	Wed, 11 Feb 2015 11:59:33 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Michel Lespinasse <walken@...gle.com>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [PATCH 2/4] mm: rename __mlock_vma_pages_range() to
 populate_vma_page_range()

On Wed, 11 Feb 2015, Kirill A. Shutemov wrote:

> __mlock_vma_pages_range() doesn't necessary mlock pages. It depends on
> vma flags. The same codepath is used for MAP_POPULATE.
> 

s/necessary/necessarily/

> Let's rename __mlock_vma_pages_range() to populate_vma_page_range().
> 
> This patch also drops mlock_vma_pages_range() references from
> documentation. It has gone in commit cea10a19b797.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>

I think it makes sense to drop the references about "downgrading" 
mm->mmap_sem in the documentation since populate_vma_page_range() can be 
called with it held either for read or write depending on the context.

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