Messages in this thread | | | Date | Thu, 17 Apr 2008 15:55:57 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: Warning on memory offline (possible in migration ?) |
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On Wed, 16 Apr 2008 23:43:03 -0700 Andrew Morton <akpm@linux-foundation.org> wrote:
> On Thu, 17 Apr 2008 15:38:18 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > > > On Thu, 17 Apr 2008 09:19:30 +0900 > > KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote: > > > > I'd expect that you could reproduce this by disabling readahead with > > > > fadvise(POSIX_FADV_RANDOM) and then issuing the above four reads. > > > > > > > Thank you for advice. I'll try. > > > > > (Added lkml to CC:) > > > > What happens: > > When I do memory offline on ia64/NUMA box, __set_page_dirty_buffers() printed > > out WARNINGS because the page under migration is not up-to-date. > > The warning is in __set_page_dirty(). > Sorry, __set_page_dirty() in fs/buffer.c
Thanks, -Kame
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