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Wed, 7 Apr 2021 08:25:18 +0000 Date: Wed, 7 Apr 2021 16:25:09 +0800 From: Huang Rui To: songqiang Cc: "Koenig, Christian" , "airlied@linux.ie" , "daniel@ffwll.ch" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" Subject: Re: your mail Message-ID: <20210407082509.GA763729@hr-amd> References: <20210407012746.16082-1-songqiang@uniontech.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210407012746.16082-1-songqiang@uniontech.com> X-Originating-IP: [58.247.170.245] X-ClientProxiedBy: HK2P15301CA0006.APCP153.PROD.OUTLOOK.COM (2603:1096:202:1::16) To MWHPR12MB1248.namprd12.prod.outlook.com (2603:10b6:300:12::21) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from hr-amd (58.247.170.245) by HK2P15301CA0006.APCP153.PROD.OUTLOOK.COM (2603:1096:202:1::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.4 via Frontend Transport; Wed, 7 Apr 2021 08:25:16 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ee157cf3-d9b3-4a9e-6663-08d8f99ead5e X-MS-TrafficTypeDiagnostic: MW3PR12MB4427: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:289; 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Thanks, Ray > Signed-off-by: songqiang > --- > drivers/gpu/drm/ttm/ttm_page_alloc.c | 18 ++++++++++++++---- > 1 file changed, 14 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c > index 14660f723f71..f3698f0ad4d7 100644 > --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c > +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c > @@ -736,8 +736,16 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags, > if (++p != pages[i + j]) > break; > > - if (j == HPAGE_PMD_NR) > + if (j == HPAGE_PMD_NR) { > order = HPAGE_PMD_ORDER; > + for (j = 1; j < HPAGE_PMD_NR; ++j) > + page_ref_dec(pages[i+j]); > + } > } > #endif > > @@ -868,10 +876,12 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, > p = alloc_pages(huge_flags, HPAGE_PMD_ORDER); > if (!p) > break; > - > - for (j = 0; j < HPAGE_PMD_NR; ++j) > + for (j = 0; j < HPAGE_PMD_NR; ++j) { > pages[i++] = p++; > - > + if (j > 0) > + page_ref_inc(pages[i-1]); 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, Apr 07, 2021 at 09:27:46AM +0800, songqiang wrote: Please add the description in the commit message and subject. Thanks, Ray > Signed-off-by: songqiang > --- > drivers/gpu/drm/ttm/ttm_page_alloc.c | 18 ++++++++++++++---- > 1 file changed, 14 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c > index 14660f723f71..f3698f0ad4d7 100644 > --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c > +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c > @@ -736,8 +736,16 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags, > if (++p != pages[i + j]) > break; > > - if (j == HPAGE_PMD_NR) > + if (j == HPAGE_PMD_NR) { > order = HPAGE_PMD_ORDER; > + for (j = 1; j < HPAGE_PMD_NR; ++j) > + page_ref_dec(pages[i+j]); > + } > } > #endif > > @@ -868,10 +876,12 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, > p = alloc_pages(huge_flags, HPAGE_PMD_ORDER); > if (!p) > break; > - > - for (j = 0; j < HPAGE_PMD_NR; ++j) > + for (j = 0; j < HPAGE_PMD_NR; ++j) { > pages[i++] = p++; > - > + if (j > 0) > + page_ref_inc(pages[i-1]); > + } > npages -= HPAGE_PMD_NR; > } > } > > > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Fdri-devel&data=04%7C01%7Cray.huang%40amd.com%7C4ccc617b77d746db5af108d8f98db612%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637533734805563118%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=9bSP90LYdJyJYJYmuphVmqk%2B3%2FE4JPrtXkQTbxwAt68%3D&reserved=0 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel