| Date | Sun, 27 Jan 2013 20:19:28 -0800 (PST) | From | Hugh Dickins <> | Subject | Re: [PATCH 6/11] ksm: remove old stable nodes more thoroughly |
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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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