Messages in this thread |  | | Date | Fri, 5 Oct 2018 14:21:43 -0700 | From | Andrew Morton <> | Subject | Re: [patch] mm, page_alloc: set num_movable in move_freepages() |
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On Fri, 5 Oct 2018 13:56:39 -0700 (PDT) David Rientjes <rientjes@google.com> wrote:
> If move_freepages() returns 0 because zone_spans_pfn(), *num_movable can
move_free_pages_block()? !zone_spans_pfn()?
> hold the value from the stack because it does not get initialized in > move_freepages(). > > Move the initialization to move_freepages_block() to guarantee the value > actually makes sense. > > This currently doesn't affect its only caller where num_movable != NULL, > so no bug fix, but just more robust. > > ...
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