From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Jens Axboe <axboe@kernel.dk>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Mike Snitzer <snitzer@redhat.com>,
linux-f2fs-devel@lists.sourceforge.net,
linux-block@vger.kernel.org, dm-devel@redhat.com,
linux-scsi@vger.kernel.org, Jaegeuk Kim <jaegeuk@kernel.org>,
Christoph Hellwig <hch@lst.de>,
Bart Van Assche <bvanassche@acm.org>
Subject: Re: [PATCH V6 4/4] block: Limit zone array allocation size
Date: Thu, 11 Jul 2019 20:28:27 -0400 [thread overview]
Message-ID: <yq1sgrc85as.fsf@oracle.com> (raw)
In-Reply-To: <20190701050918.27511-5-damien.lemoal@wdc.com> (Damien Le Moal's message of "Mon, 1 Jul 2019 14:09:18 +0900")
Damien,
> Limit the size of the struct blk_zone array used in
> blk_revalidate_disk_zones() to avoid memory allocation failures
> leading to disk revalidation failure. Also further reduce the
> likelyhood of such failures by using kvcalloc() (that is vmalloc())
> instead of allocating contiguous pages with alloc_pages().
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen Oracle Linux Engineering
WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Damien Le Moal <damien.lemoal@wdc.com>
Cc: linux-scsi@vger.kernel.org,
"Martin K . Petersen" <martin.petersen@oracle.com>,
linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
dm-devel@redhat.com, Mike Snitzer <snitzer@redhat.com>,
linux-f2fs-devel@lists.sourceforge.net,
Jaegeuk Kim <jaegeuk@kernel.org>, Christoph Hellwig <hch@lst.de>,
Bart Van Assche <bvanassche@acm.org>
Subject: Re: [PATCH V6 4/4] block: Limit zone array allocation size
Date: Thu, 11 Jul 2019 20:28:27 -0400 [thread overview]
Message-ID: <yq1sgrc85as.fsf@oracle.com> (raw)
In-Reply-To: <20190701050918.27511-5-damien.lemoal@wdc.com> (Damien Le Moal's message of "Mon, 1 Jul 2019 14:09:18 +0900")
Damien,
> Limit the size of the struct blk_zone array used in
> blk_revalidate_disk_zones() to avoid memory allocation failures
> leading to disk revalidation failure. Also further reduce the
> likelyhood of such failures by using kvcalloc() (that is vmalloc())
> instead of allocating contiguous pages with alloc_pages().
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen Oracle Linux Engineering
WARNING: multiple messages have this Message-ID (diff)
From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Jens Axboe <axboe@kernel.dk>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Mike Snitzer <snitzer@redhat.com>,
linux-f2fs-devel@lists.sourceforge.net,
linux-block@vger.kernel.org, dm-devel@redhat.com,
linux-scsi@vger.kernel.org, Jaegeuk Kim <jaegeuk@kernel.org>,
Christoph Hellwig <hch@lst.de>,
Bart Van Assche <bvanassche@acm.org>
Subject: Re: [f2fs-dev] [PATCH V6 4/4] block: Limit zone array allocation size
Date: Thu, 11 Jul 2019 20:28:27 -0400 [thread overview]
Message-ID: <yq1sgrc85as.fsf@oracle.com> (raw)
In-Reply-To: <20190701050918.27511-5-damien.lemoal@wdc.com> (Damien Le Moal's message of "Mon, 1 Jul 2019 14:09:18 +0900")
Damien,
> Limit the size of the struct blk_zone array used in
> blk_revalidate_disk_zones() to avoid memory allocation failures
> leading to disk revalidation failure. Also further reduce the
> likelyhood of such failures by using kvcalloc() (that is vmalloc())
> instead of allocating contiguous pages with alloc_pages().
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen Oracle Linux Engineering
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next prev parent reply other threads:[~2019-07-12 0:28 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-01 5:09 [PATCH V6 0/4] Fix zone revalidation memory allocation failures Damien Le Moal
2019-07-01 5:09 ` [f2fs-dev] " Damien Le Moal
2019-07-01 5:09 ` [PATCH V6 1/4] block: Allow mapping of vmalloc-ed buffers Damien Le Moal
2019-07-01 5:09 ` [f2fs-dev] " Damien Le Moal
2019-07-01 6:16 ` Christoph Hellwig
2019-07-01 6:16 ` [f2fs-dev] " Christoph Hellwig
2019-07-01 6:16 ` Christoph Hellwig
2019-07-12 0:22 ` Martin K. Petersen
2019-07-12 0:22 ` [f2fs-dev] " Martin K. Petersen
2019-07-12 0:22 ` Martin K. Petersen
2019-07-01 5:09 ` [PATCH V6 2/4] block: Kill gfp_t argument of blkdev_report_zones() Damien Le Moal
2019-07-01 5:09 ` [f2fs-dev] " Damien Le Moal
2019-07-01 6:17 ` Christoph Hellwig
2019-07-01 6:17 ` [f2fs-dev] " Christoph Hellwig
2019-07-01 6:17 ` Christoph Hellwig
2019-07-12 0:24 ` Martin K. Petersen
2019-07-12 0:24 ` [f2fs-dev] " Martin K. Petersen
2019-07-12 0:24 ` Martin K. Petersen
2019-07-01 5:09 ` [PATCH V6 3/4] sd_zbc: Fix report zones buffer allocation Damien Le Moal
2019-07-01 5:09 ` [f2fs-dev] " Damien Le Moal
2019-07-01 6:17 ` Christoph Hellwig
2019-07-01 6:17 ` [f2fs-dev] " Christoph Hellwig
2019-07-01 6:17 ` Christoph Hellwig
2019-07-12 0:27 ` Martin K. Petersen
2019-07-12 0:27 ` [f2fs-dev] " Martin K. Petersen
2019-07-12 0:27 ` Martin K. Petersen
2019-07-12 0:52 ` Damien Le Moal
2019-07-12 0:52 ` [f2fs-dev] " Damien Le Moal
2019-07-12 0:52 ` Damien Le Moal
2019-07-01 5:09 ` [PATCH V6 4/4] block: Limit zone array allocation size Damien Le Moal
2019-07-01 5:09 ` [f2fs-dev] " Damien Le Moal
2019-07-01 6:17 ` Christoph Hellwig
2019-07-01 6:17 ` [f2fs-dev] " Christoph Hellwig
2019-07-01 6:17 ` Christoph Hellwig
2019-07-12 0:28 ` Martin K. Petersen [this message]
2019-07-12 0:28 ` [f2fs-dev] " Martin K. Petersen
2019-07-12 0:28 ` Martin K. Petersen
2019-07-08 2:02 ` [PATCH V6 0/4] Fix zone revalidation memory allocation failures Damien Le Moal
2019-07-08 2:02 ` [f2fs-dev] " Damien Le Moal
2019-07-12 2:05 ` Jens Axboe
2019-07-12 2:05 ` [f2fs-dev] " Jens Axboe
2019-07-12 15:12 ` Jens Axboe
2019-07-12 15:12 ` [f2fs-dev] " Jens Axboe
2019-07-12 22:33 ` Damien Le Moal
2019-07-12 22:33 ` [f2fs-dev] " Damien Le Moal
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