Re: [PATCH 4/5] teach smaps_pte_range() about THP pmds
From: David Rientjes
Date: Tue Feb 22 2011 - 16:22:17 EST
On Mon, 21 Feb 2011, Dave Hansen wrote:
>
> v2 - used mm->page_table_lock to fix up locking bug that
> Mel pointed out. Also remove Acks since things
> got changed significantly.
>
> This adds code to explicitly detect and handle
> pmd_trans_huge() pmds. It then passes HPAGE_SIZE units
> in to the smap_pte_entry() function instead of PAGE_SIZE.
>
> This means that using /proc/$pid/smaps now will no longer
> cause THPs to be broken down in to small pages.
>
> Signed-off-by: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>
Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
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