linux-kernel - Re: [PATCH 1/4] mremap: don't leak new_vma if f

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Message-ID: <alpine.DEB.2.10.1507011550140.14014@chino.kir.corp.google.com>
Date:	Wed, 1 Jul 2015 15:55:39 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Oleg Nesterov <oleg@...hat.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Benjamin LaHaise <bcrl@...ck.org>,
	Hugh Dickins <hughd@...gle.com>,
	Jeff Moyer <jmoyer@...hat.com>,
	Kirill Shutemov <kirill.shutemov@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] mremap: don't leak new_vma if f_op->mremap() fails

On Wed, 1 Jul 2015, Oleg Nesterov wrote:

> Yes, thanks, I'll rebase...
> 
> But you know, I think 4abad2ca4a4d ("mm: new arch_remap() hook") should
> be reverted later. Please see
> 
> 	[PATCH v2 1/1] mm: move ->mremap() from file_operations to vm_operations_struct
> 	http://marc.info/?l=linux-kernel&m=143526519407521
> 
> I think arch_remap() should be turned into special_mapping_vmops->nremap().
> But this is off-topic right now.
> 
> 

I like that approach with an update to Documentation/filesystems/vfs.txt.
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