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Date: Tue, 10 Jan 2017 15:58:29 +0100
From: Peter Zijlstra <>
To: Liljestrand Hans <>
Cc: "Reshetova, Elena" <>,
	"" <>,
	Greg KH <>,
	Kees Cook <>,
	"" <>,
	Boqun Feng <>,
	David Windsor <>, "" <>,
	"" <>
Subject: Re: Conversion from atomic_t to refcount_t: summary of issues

On Tue, Dec 20, 2016 at 05:20:08PM +0200, Liljestrand Hans wrote:
> fs/inode.c:813                  find_inode_fast
> This seems to be doing a search for freed up objects that are then
> reused, maybe. Not sure if we can guarantee the refcount is 0, nor if it
> would be appropriate to use refcount_set even if we could?

This one is actually quite difficult. I'll try and poke at it some.

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