Re: [PATCH 1/2] mm: free compound page with correct order

[Kirill A. Shutemov]

On Tue, Oct 14, 2014 at 01:16:39PM -0700, Yu Zhao wrote:
> Compound page should be freed by put_page() or free_pages() with
> correct order. Not doing so with causing the tail pages leaked.
> 
> The compound order can be obtained by compound_order() or use
> HPAGE_PMD_ORDER in our case. Some people would argue the latter
> is faster but I prefer the former which is more general.
> 
> Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx>

Urghh.. Sorry about that.

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Fixes: 97ae17497e99 ("thp: implement refcounting for huge zero page")
Cc: stable@xxxxxxxxxxxxxxx # v3.8+

-- 
 Kirill A. Shutemov
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/