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From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
	Mark Williamson <mwilliamson@undo-software.com>,
	linux-kernel@vger.kernel.org, linux-api@vger.kernel.org
Subject: Re: [PATCH v4 3/5] pagemap: rework hugetlb and thp report
Date: Sun, 19 Jul 2015 14:10:19 +0300	[thread overview]
Message-ID: <20150719111019.GA2392@node.dhcp.inet.fi> (raw)
In-Reply-To: <20150714153738.29844.39039.stgit@buzz>

On Tue, Jul 14, 2015 at 06:37:39PM +0300, Konstantin Khlebnikov wrote:
> @@ -1073,35 +1047,48 @@ static int pagemap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
>  	pte_t *pte, *orig_pte;
>  	int err = 0;
>  
> -	if (pmd_trans_huge_lock(pmd, vma, &ptl) == 1) {
> -		u64 flags = 0;
> +#ifdef CONFIG_TRANSPARENT_HUGEPAGE
> +	if (pmd_trans_huge_lock(pmdp, vma, &ptl) == 1) {

#ifdef is redundant. pmd_trans_huge_lock() always return 0 for !THP.

-- 
 Kirill A. Shutemov

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  reply	other threads:[~2015-07-19 11:10 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-14 15:37 [PATCHSET v4 0/5] pagemap: make useable for non-privilege users Konstantin Khlebnikov
2015-07-14 15:37 ` [PATCH v4 1/5] pagemap: check permissions and capabilities at open time Konstantin Khlebnikov
2015-07-21  8:06   ` Naoya Horiguchi
     [not found]     ` <20150721080626.GB4490-CFvn+FByjrC01j0XV7yAGhjPlmGC1jup6qtp775pBPw@public.gmane.org>
2015-07-24 18:16       ` Mark Williamson
2015-07-14 15:37 ` [PATCH v4 2/5] pagemap: switch to the new format and do some cleanup Konstantin Khlebnikov
2015-07-21  7:44   ` Naoya Horiguchi
2015-07-14 15:37 ` [PATCH v4 3/5] pagemap: rework hugetlb and thp report Konstantin Khlebnikov
2015-07-19 11:10   ` Kirill A. Shutemov [this message]
2015-07-21  8:00   ` Naoya Horiguchi
2015-07-21  8:43     ` Konstantin Khlebnikov
     [not found]       ` <CALYGNiO9wpmnrqbKhRKvfHgnUC854accifKc3m6Bvqsv0LHqXQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-07-24 18:17         ` Mark Williamson
2015-07-24 18:19           ` Mark Williamson
2015-07-14 15:37 ` [PATCH v4 4/5] pagemap: hide physical addresses from non-privileged users Konstantin Khlebnikov
2015-07-21  8:11   ` Naoya Horiguchi
2015-07-21  8:39     ` Konstantin Khlebnikov
2015-07-24 18:18       ` Mark Williamson
2015-07-14 15:37 ` [PATCH v4 5/5] pagemap: add mmap-exclusive bit for marking pages mapped only here Konstantin Khlebnikov
2015-07-21  8:17   ` Naoya Horiguchi
2015-07-24 18:18     ` Mark Williamson
2015-07-14 18:52 ` [PATCHSET v4 0/5] pagemap: make useable for non-privilege users Andrew Morton
     [not found]   ` <20150714115252.8f21cfa864935a4b403c3d8d-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2015-07-14 20:15     ` Konstantin Khlebnikov
2015-07-16 18:47 ` [PATCH] pagemap: update documentation Konstantin Khlebnikov
2015-07-21  8:35   ` Naoya Horiguchi
2015-07-24 17:34 ` [PATCHSET v4 0/5] pagemap: make useable for non-privilege users Mark Williamson

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