Re: [PATCH 2/6] uprobes: introduce is_swbp_at_addr_fast()

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On Tue, 2012-04-17 at 19:09 +0200, Oleg Nesterov wrote:
> 
> This reminds me. Why read_opcode() does lock_page? I was going
> to send the cleanup which removes it, but I need to recheck.
> 
> Perhaps you can explain the reason? 

I can't seem to recall, I suspect its to serialize against
__replace_page(). I can't say if that's strictly needed though.

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