Messages in this thread | | | From | "Aneesh Kumar K.V" <> | Subject | Re: [PATCH v2 2/8] mm/isolation: remove unstable check for isolated page | Date | Mon, 11 Aug 2014 14:53:35 +0530 |
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Joonsoo Kim <iamjoonsoo.kim@lge.com> writes:
> The check '!PageBuddy(page) && page_count(page) == 0 && > migratetype == MIGRATE_ISOLATE' would mean the page on free processing. > Although it could go into buddy allocator within a short time, > futher operation such as isolate_freepages_range() in CMA, called after > test_page_isolated_in_pageblock(), could be failed due to this unstability > since it requires that the page is on buddy. I think that removing > this unstability is good thing.
Is that true in case of check_pages_isolated_cb ? Does that require PageBuddy to be true ?
> > And, following patch makes isolated freepage has new status matched with > this condition and this check is the obstacle to that change. So remove > it.
Can you quote the patch summary in the above case ? ie, something like
And the followiing patch "mm/....." makes isolate freepage.
-aneesh
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