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From: "Hillf Danton" <hillf.zj@alibaba-inc.com>
To: "Mel Gorman" <mgorman@techsingularity.net>
Cc: "linux-kernel" <linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>
Subject: Re: [PATCH 04/31] mm, vmscan: begin reclaiming pages on a per-node basis
Date: Mon, 04 Jul 2016 18:08:27 +0800	[thread overview]
Message-ID: <00a301d1d5dc$02643ca0$072cb5e0$@alibaba-inc.com> (raw)
In-Reply-To: <009e01d1d5d8$fcf06440$f6d12cc0$@alibaba-inc.com>

> @@ -2561,17 +2580,23 @@ static void shrink_zones(struct zonelist *zonelist, struct scan_control *sc)
>  	 * highmem pages could be pinning lowmem pages storing buffer_heads
>  	 */
>  	orig_mask = sc->gfp_mask;
> -	if (buffer_heads_over_limit)
> +	if (buffer_heads_over_limit) {
>  		sc->gfp_mask |= __GFP_HIGHMEM;
> +		sc->reclaim_idx = classzone_idx = gfp_zone(sc->gfp_mask);
> +	}
> 
We need to push/pop ->reclaim_idx as ->gfp_mask handled?

thanks
Hillf

WARNING: multiple messages have this Message-ID (diff)
From: "Hillf Danton" <hillf.zj@alibaba-inc.com>
To: Mel Gorman <mgorman@techsingularity.net>
Cc: linux-kernel <linux-kernel@vger.kernel.org>, linux-mm@kvack.org
Subject: Re: [PATCH 04/31] mm, vmscan: begin reclaiming pages on a per-node basis
Date: Mon, 04 Jul 2016 18:08:27 +0800	[thread overview]
Message-ID: <00a301d1d5dc$02643ca0$072cb5e0$@alibaba-inc.com> (raw)
In-Reply-To: <009e01d1d5d8$fcf06440$f6d12cc0$@alibaba-inc.com>

> @@ -2561,17 +2580,23 @@ static void shrink_zones(struct zonelist *zonelist, struct scan_control *sc)
>  	 * highmem pages could be pinning lowmem pages storing buffer_heads
>  	 */
>  	orig_mask = sc->gfp_mask;
> -	if (buffer_heads_over_limit)
> +	if (buffer_heads_over_limit) {
>  		sc->gfp_mask |= __GFP_HIGHMEM;
> +		sc->reclaim_idx = classzone_idx = gfp_zone(sc->gfp_mask);
> +	}
> 
We need to push/pop ->reclaim_idx as ->gfp_mask handled?

thanks
Hillf

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       reply	other threads:[~2016-07-04 10:08 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <009e01d1d5d8$fcf06440$f6d12cc0$@alibaba-inc.com>
2016-07-04 10:08 ` Hillf Danton [this message]
2016-07-04 10:08   ` [PATCH 04/31] mm, vmscan: begin reclaiming pages on a per-node basis Hillf Danton
2016-07-04 10:33   ` Mel Gorman
2016-07-04 10:33     ` Mel Gorman
2016-07-05  3:17 ` Hillf Danton
2016-07-05  3:17   ` Hillf Danton
2016-07-01 20:01 [PATCH 00/31] Move LRU page reclaim from zones to nodes v8 Mel Gorman
2016-07-01 20:01 ` [PATCH 04/31] mm, vmscan: begin reclaiming pages on a per-node basis Mel Gorman
2016-07-01 20:01   ` Mel Gorman
2016-07-07  1:12   ` Joonsoo Kim
2016-07-07  1:12     ` Joonsoo Kim
2016-07-07  9:48     ` Mel Gorman
2016-07-07  9:48       ` Mel Gorman
2016-07-08  2:28       ` Joonsoo Kim
2016-07-08  2:28         ` Joonsoo Kim
2016-07-08 10:05         ` Mel Gorman
2016-07-08 10:05           ` Mel Gorman
2016-07-14  6:28           ` Joonsoo Kim
2016-07-14  6:28             ` Joonsoo Kim
2016-07-14  7:48             ` Vlastimil Babka
2016-07-14  7:48               ` Vlastimil Babka
2016-07-18  4:52               ` Joonsoo Kim
2016-07-18  4:52                 ` Joonsoo Kim
2016-07-18 12:11             ` Mel Gorman
2016-07-18 12:11               ` Mel Gorman
2016-07-18 14:27               ` Mel Gorman
2016-07-18 14:27                 ` Mel Gorman
2016-07-19  8:30                 ` Joonsoo Kim
2016-07-19  8:30                   ` Joonsoo Kim
2016-07-19 14:25                   ` Mel Gorman
2016-07-19 14:25                     ` Mel Gorman
  -- strict thread matches above, loose matches on Subject: below --
2016-07-01 15:37 [PATCH 00/31] Move LRU page reclaim from zones to nodes v8 Mel Gorman
2016-07-01 15:37 ` [PATCH 04/31] mm, vmscan: begin reclaiming pages on a per-node basis Mel Gorman
2016-07-01 15:37   ` Mel Gorman

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