Messages in this thread | | | Date | Tue, 25 Sep 2012 19:26:39 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [PATCH] pagemap: fix wrong KPF_THP on slab pages |
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On Tue, 25 Sep 2012, Naoya Horiguchi wrote:
> KPF_THP can be set on non-huge compound pages like slab pages, because > PageTransCompound only sees PG_head and PG_tail. Obviously this is a bug > and breaks user space applications which look for thp via /proc/kpageflags. > This patch rules out setting KPF_THP wrongly by additional PageSlab check. > > Changelog in v3: > - check PageSlab instead of PageAnon > - fix patch subject > > Changelog in v2: > - add a comment in code > > Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Acked-by: David Rientjes <rientjes@google.com>
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