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SubjectRe: [PATCH 6/11] ksm: remove old stable nodes more thoroughly
On Sun, 27 Jan 2013, Simon Jeons wrote:
> On Fri, 2013-01-25 at 18:01 -0800, Hugh Dickins wrote:
> > Switching merge_across_nodes after running KSM is liable to oops on stale
> > nodes still left over from the previous stable tree. It's not something
>
> Since this patch solve the problem, so the description of
> merge_across_nodes(Value can be changed only when there is no ksm shared
> pages in system) should be changed in this patch.

No.

The code could be changed to unmerge_and_remove_all_rmap_items()
automatically whenever merge_across_nodes is changed; but that's
not what Petr chose to do, and I didn't feel strongly to change it.


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