Messages in this thread | | | Date | Thu, 1 Aug 2013 15:37:06 +0900 | From | Minchan Kim <> | Subject | Re: [patch 1/2] [PATCH] mm: Save soft-dirty bits on swapped pages |
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On Thu, Aug 01, 2013 at 10:28:14AM +0400, Cyrill Gorcunov wrote: > On Thu, Aug 01, 2013 at 03:16:32PM +0900, Minchan Kim wrote: > > > > I don't get it. Could you correct me with below example? > > > > Process A context > > try_to_unmap > > swp_pte = swp_entry_to_pte /* change generic swp into arch swap */ > > swp_pte = pte_swp_mksoft_dirty(swp_pte); > > set_pte_at(, swp_pte); > > > > Process A context > > .. > > mincore_pte_range > pte_t pte = *ptep; <-- local copy of the pte value, in memory it remains the same > with swap softdirty bit set
Argh, I missed that. Thank you!
Reviewed-by: Minchan Kim <minchan@kernel.org> -- Kind regards, Minchan Kim
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