Message ID | 20220211164135.1803616-6-zi.yan@sent.com (mailing list archive) |
---|---|
State | Superseded |
Headers | show
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Fri, 11 Feb 2022 11:41:49 -0500 (EST) From: Zi Yan <zi.yan@sent.com> To: David Hildenbrand <david@redhat.com>, linux-mm@kvack.org Subject: [PATCH v5 5/6] drivers: virtio_mem: use pageblock size as the minimum virtio_mem size. Date: Fri, 11 Feb 2022 11:41:34 -0500 Message-Id: <20220211164135.1803616-6-zi.yan@sent.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220211164135.1803616-1-zi.yan@sent.com> References: <20220211164135.1803616-1-zi.yan@sent.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.lists.ozlabs.org> List-Unsubscribe: <https://lists.ozlabs.org/options/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=unsubscribe> List-Archive: <http://lists.ozlabs.org/pipermail/linuxppc-dev/> List-Post: <mailto:linuxppc-dev@lists.ozlabs.org> List-Help: <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=help> List-Subscribe: <https://lists.ozlabs.org/listinfo/linuxppc-dev>, <mailto:linuxppc-dev-request@lists.ozlabs.org?subject=subscribe> Reply-To: Zi Yan <ziy@nvidia.com> Cc: Mel Gorman <mgorman@techsingularity.net>, Zi Yan <ziy@nvidia.com>, Oscar Salvador <osalvador@suse.de>, Robin Murphy <robin.murphy@arm.com>, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Mike Rapoport <rppt@kernel.org>, Eric Ren <renzhengeek@gmail.com>, virtualization@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, Christoph Hellwig <hch@lst.de>, Vlastimil Babka <vbabka@suse.cz>, Marek Szyprowski <m.szyprowski@samsung.com> Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" <linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org> |
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Use pageblock_order for cma and alloc_contig_range alignment.
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expand
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diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c index 38becd8d578c..2307e65d18c2 100644 --- a/drivers/virtio/virtio_mem.c +++ b/drivers/virtio/virtio_mem.c @@ -2476,13 +2476,12 @@ static int virtio_mem_init_hotplug(struct virtio_mem *vm) VIRTIO_MEM_DEFAULT_OFFLINE_THRESHOLD); /* - * We want subblocks to span at least MAX_ORDER_NR_PAGES and - * pageblock_nr_pages pages. This: + * We want subblocks to span at least pageblock_nr_pages pages. + * This: * - Is required for now for alloc_contig_range() to work reliably - * it doesn't properly handle smaller granularity on ZONE_NORMAL. */ - sb_size = max_t(uint64_t, MAX_ORDER_NR_PAGES, - pageblock_nr_pages) * PAGE_SIZE; + sb_size = pageblock_nr_pages * PAGE_SIZE; sb_size = max_t(uint64_t, vm->device_block_size, sb_size); if (sb_size < memory_block_size_bytes() && !force_bbm) {