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    SubjectRe: [PATCHv3 1/5] mm: drop page->slab_page
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    On 08/19/2015 11:21 AM, Kirill A. Shutemov wrote:
    > Since 8456a648cf44 ("slab: use struct page for slab management") nobody
    > uses slab_page field in struct page.
    >
    > Let's drop it.
    >
    > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
    > Acked-by: Christoph Lameter <cl@linux.com>
    > Acked-by: David Rientjes <rientjes@google.com>
    > Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
    > Cc: Andi Kleen <ak@linux.intel.com>

    Acked-by: Vlastimil Babka <vbabka@suse.cz>

    > ---
    > include/linux/mm_types.h | 1 -
    > 1 file changed, 1 deletion(-)
    >
    > diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
    > index 0038ac7466fd..58620ac7f15c 100644
    > --- a/include/linux/mm_types.h
    > +++ b/include/linux/mm_types.h
    > @@ -140,7 +140,6 @@ struct page {
    > #endif
    > };
    >
    > - struct slab *slab_page; /* slab fields */
    > struct rcu_head rcu_head; /* Used by SLAB
    > * when destroying via RCU
    > */
    >



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