Re: 2.6.5-rc1-aa1

[Hugh Dickins]

On Thu, 18 Mar 2004, Andrea Arcangeli wrote:
> 
> The fix is simple: always set and clear PG_anon under the page_map_lock,
> this will avoid the race since all ClearPageAnon already runs under the
> page_map_lock. I will implement and test in a few hours.
> 
> ... I find this more robust.

Absolutely, that's what I did too.  My old page_add_rmap had anon flag,
but the new patches have page_add_anon_rmap and page_add_obj_rmap.

Hugh

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