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From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	kernel-team <kernel-team@lge.com>,
	Ilya Dryomov <idryomov@gmail.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Ross Zwisler <ross.zwisler@linux.intel.com>,
	Hugh Dickins <hughd@google.com>
Subject: Re: [PATCH 5/5] mm:swap: skip swapcache for swapin of synchronous device
Date: Tue, 12 Sep 2017 15:04:56 +0900	[thread overview]
Message-ID: <20170912060456.GA703@jagdpanzerIV.localdomain> (raw)
In-Reply-To: <1505183833-4739-5-git-send-email-minchan@kernel.org>

On (09/12/17 11:37), Minchan Kim wrote:
> +		} else {
> +			/* skip swapcache */
> +			page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vmf->address);

what if alloc_page_vma() fails?

> +			__SetPageLocked(page);
> +			__SetPageSwapBacked(page);
> +			set_page_private(page, entry.val);
> +			lru_cache_add_anon(page);
> +			swap_readpage(page, true);
> +		}

	-ss

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  reply	other threads:[~2017-09-12  6:05 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-12  2:37 [PATCH 1/5] zram: set BDI_CAP_STABLE_WRITES once Minchan Kim
2017-09-12  2:37 ` [PATCH 2/5] bdi: introduce BDI_CAP_SYNCHRONOUS_IO Minchan Kim
2017-09-12  2:37 ` [PATCH 3/5] mm:swap: introduce SWP_SYNCHRONOUS_IO Minchan Kim
2017-09-12  4:48   ` Sergey Senozhatsky
2017-09-12  2:37 ` [PATCH 4/5] mm:swap: respect page_cluster for readahead Minchan Kim
2017-09-12  5:23   ` Huang, Ying
2017-09-12  6:25     ` Minchan Kim
2017-09-12  6:44       ` Huang, Ying
2017-09-12  6:52         ` Minchan Kim
2017-09-12  7:29           ` Huang, Ying
2017-09-12  7:56             ` Minchan Kim
2017-09-12  8:07               ` Huang, Ying
2017-09-12  8:22                 ` Minchan Kim
2017-09-12  8:32                   ` Huang, Ying
2017-09-12 23:34                     ` Minchan Kim
2017-09-13  0:55                       ` Huang, Ying
2017-09-12  2:37 ` [PATCH 5/5] mm:swap: skip swapcache for swapin of synchronous device Minchan Kim
2017-09-12  6:04   ` Sergey Senozhatsky [this message]
2017-09-12  6:31     ` Minchan Kim
2017-09-12 20:22   ` kbuild test robot
2017-09-13  0:16     ` Minchan Kim

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