Re: [patch 1/2] mm: speculative get_page

Nick Piggin
2006-08-01T23:54:39Z

Oleg Nesterov wrote:
> On 08/01, Dave Kleikamp wrote:

>>Isn't the page locked when calling remove_mapping()? It looks like
>>SetPageNoNewRefs & ClearPageNoNewRefs are called in safe places. Either
>>the page is locked, or it's newly allocated. I could have missed
>>something, though.
>
>
> No, I think it is I who missed something, thanks.

Yeah, SetPageNoNewRefs is indeed called only under PageLocked or for
newly allocated pages. I should make a note about that, as it isn't
immediately clear.

Thanks

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SUSE Labs, Novell Inc.
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