From: Doug Berger <opendmb@gmail.com> To: Andrew Morton <akpm@linux-foundation.org> Cc: Jonathan Corbet <corbet@lwn.net>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Frank Rowand <frowand.list@gmail.com>, Mike Kravetz <mike.kravetz@oracle.com>, Muchun Song <songmuchun@bytedance.com>, Mike Rapoport <rppt@kernel.org>, Christoph Hellwig <hch@lst.de>, Marek Szyprowski <m.szyprowski@samsung.com>, Robin Murphy <robin.murphy@arm.com>, Borislav Petkov <bp@suse.de>, "Paul E. McKenney" <paulmck@kernel.org>, Neeraj Upadhyay <quic_neeraju@quicinc.com>, Randy Dunlap <rdunlap@infradead.org>, Damien Le Moal <damien.lemoal@opensource.wdc.com>, Doug Berger <opendmb@gmail.com>, Florian Fainelli <f.fainelli@gmail.com>, David Hildenbrand <david@redhat.com>, Zi Yan <ziy@nvidia.com>, Oscar Salvador <osalvador@suse.de>, Hari Bathini <hbathini@linux.ibm.com>, Kees Cook <keescook@chromium.org>, - <devicetree-spec@vger.kernel.org>, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>, Mel Gorman <mgorman@suse.de>, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux.dev Subject: [PATCH 08/21] mm/vmstat: show start_pfn when zone spans pages Date: Tue, 13 Sep 2022 12:54:55 -0700 [thread overview] Message-ID: <20220913195508.3511038-9-opendmb@gmail.com> (raw) In-Reply-To: <20220913195508.3511038-1-opendmb@gmail.com> A zone that overlaps with another zone may span a range of pages that are not present. In this case, displaying the start_pfn of the zone allows the zone page range to be identified. Signed-off-by: Doug Berger <opendmb@gmail.com> --- mm/vmstat.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/mm/vmstat.c b/mm/vmstat.c index 90af9a8572f5..e2f19f2b7615 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1717,6 +1717,11 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat, /* If unpopulated, no other information is useful */ if (!populated_zone(zone)) { + /* Show start_pfn for empty overlapped zones */ + if (zone->spanned_pages) + seq_printf(m, + "\n start_pfn: %lu", + zone->zone_start_pfn); seq_putc(m, '\n'); return; } -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Doug Berger <opendmb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> To: Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org> Cc: Jonathan Corbet <corbet-T1hC0tSOHrs@public.gmane.org>, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Frank Rowand <frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Mike Kravetz <mike.kravetz-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>, Muchun Song <songmuchun-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>, Mike Rapoport <rppt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>, Marek Szyprowski <m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>, Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>, "Paul E. McKenney" <paulmck-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Neeraj Upadhyay <quic_neeraju-jfJNa2p1gH1BDgjK7y7TUQ@public.gmane.org>, Randy Dunlap <rdunlap-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>, Damien Le Moal <damien.lemoal-yzvPICuk2AC/Fx7ZUtofftBPR1lH4CV8@public.gmane.org>, Doug Berger <opendmb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Florian Fainelli <f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, David Hildenbrand <david-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, Zi Yan <ziy-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Oscar Salvador <osalvador@su> Subject: [PATCH 08/21] mm/vmstat: show start_pfn when zone spans pages Date: Tue, 13 Sep 2022 12:54:55 -0700 [thread overview] Message-ID: <20220913195508.3511038-9-opendmb@gmail.com> (raw) In-Reply-To: <20220913195508.3511038-1-opendmb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> A zone that overlaps with another zone may span a range of pages that are not present. In this case, displaying the start_pfn of the zone allows the zone page range to be identified. Signed-off-by: Doug Berger <opendmb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> --- mm/vmstat.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/mm/vmstat.c b/mm/vmstat.c index 90af9a8572f5..e2f19f2b7615 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1717,6 +1717,11 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat, /* If unpopulated, no other information is useful */ if (!populated_zone(zone)) { + /* Show start_pfn for empty overlapped zones */ + if (zone->spanned_pages) + seq_printf(m, + "\n start_pfn: %lu", + zone->zone_start_pfn); seq_putc(m, '\n'); return; } -- 2.25.1
next prev parent reply other threads:[~2022-09-13 19:59 UTC|newest] Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-13 19:54 [PATCH 00/21] mm: introduce Designated Movable Blocks Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 19:54 ` [PATCH 01/21] mm/page_isolation: protect cma from isolate_single_pageblock Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-14 0:02 ` Zi Yan 2022-09-14 0:02 ` Zi Yan 2022-09-14 0:59 ` Doug Berger 2022-09-14 0:59 ` Doug Berger 2022-09-14 1:09 ` Zi Yan 2022-09-14 1:09 ` Zi Yan 2022-09-14 1:47 ` Doug Berger 2022-09-14 1:47 ` Doug Berger 2022-09-14 1:53 ` Zi Yan 2022-09-14 1:53 ` Zi Yan 2022-09-14 17:27 ` Doug Berger 2022-09-14 17:27 ` Doug Berger 2022-09-16 3:40 ` kernel test robot 2022-09-16 3:40 ` kernel test robot 2022-09-13 19:54 ` [PATCH 02/21] mm/hugetlb: correct max_huge_pages accounting on demote Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-14 17:23 ` Mike Kravetz 2022-09-14 17:23 ` Mike Kravetz 2022-09-14 17:26 ` Florian Fainelli 2022-09-14 17:26 ` Florian Fainelli 2022-09-14 18:43 ` Mike Kravetz 2022-09-14 18:43 ` Mike Kravetz 2022-09-14 17:30 ` Doug Berger 2022-09-14 17:30 ` Doug Berger 2022-09-14 20:58 ` Andrew Morton 2022-09-14 20:58 ` Andrew Morton 2022-09-14 21:11 ` Mike Kravetz 2022-09-14 21:11 ` Mike Kravetz 2022-09-13 19:54 ` [PATCH 03/21] mm/hugetlb: correct demote page offset logic Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 23:34 ` Matthew Wilcox 2022-09-13 23:34 ` Matthew Wilcox 2022-09-14 1:07 ` Doug Berger 2022-09-14 1:07 ` Doug Berger 2022-09-14 17:08 ` Mike Kravetz 2022-09-14 17:08 ` Mike Kravetz 2022-09-14 17:54 ` Doug Berger 2022-09-15 1:40 ` Muchun Song 2022-09-15 1:40 ` Muchun Song 2022-09-13 19:54 ` [PATCH 04/21] mm/hugetlb: refactor alloc_and_dissolve_huge_page Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 19:54 ` [PATCH 05/21] mm/hugetlb: allow migrated hugepage to dissolve when freed Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 19:54 ` [PATCH 06/21] mm/hugetlb: add hugepage isolation support Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 19:54 ` [PATCH 07/21] lib/show_mem.c: display MovableOnly Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 19:54 ` Doug Berger [this message] 2022-09-13 19:54 ` [PATCH 08/21] mm/vmstat: show start_pfn when zone spans pages Doug Berger 2022-09-13 19:54 ` [PATCH 09/21] mm/page_alloc: calculate node_spanned_pages from pfns Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 19:54 ` [PATCH 10/21] mm/page_alloc.c: allow oversized movablecore Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 19:54 ` [PATCH 11/21] mm/page_alloc: introduce init_reserved_pageblock() Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 19:54 ` [PATCH 12/21] memblock: introduce MEMBLOCK_MOVABLE flag Doug Berger 2022-09-13 19:54 ` Doug Berger 2022-09-13 19:55 ` [PATCH 13/21] mm/dmb: Introduce Designated Movable Blocks Doug Berger 2022-09-13 19:55 ` Doug Berger 2022-09-13 19:55 ` [PATCH 14/21] mm/page_alloc: make alloc_contig_pages DMB aware Doug Berger 2022-09-13 19:55 ` Doug Berger 2022-09-13 19:55 ` [PATCH 15/21] mm/page_alloc: allow base for movablecore Doug Berger 2022-09-13 19:55 ` Doug Berger 2022-09-13 19:55 ` [PATCH 16/21] dt-bindings: reserved-memory: introduce designated-movable-block Doug Berger 2022-09-13 19:55 ` Doug Berger 2022-09-14 14:55 ` Rob Herring 2022-09-14 14:55 ` Rob Herring 2022-09-14 17:13 ` Doug Berger 2022-09-14 17:13 ` Doug Berger 2022-09-18 10:31 ` Krzysztof Kozlowski 2022-09-18 10:31 ` Krzysztof Kozlowski 2022-09-18 23:12 ` Doug Berger 2022-09-18 23:12 ` Doug Berger 2022-09-19 11:03 ` Krzysztof Kozlowski 2022-09-19 11:03 ` Krzysztof Kozlowski 2022-09-21 0:14 ` Doug Berger 2022-09-21 0:14 ` Doug Berger 2022-09-21 6:35 ` Krzysztof Kozlowski 2022-09-21 6:35 ` Krzysztof Kozlowski 2022-09-18 10:28 ` Krzysztof Kozlowski 2022-09-18 10:28 ` Krzysztof Kozlowski 2022-09-18 22:41 ` Doug Berger 2022-09-18 22:41 ` Doug Berger 2022-09-13 19:55 ` [PATCH 17/21] mm/dmb: introduce rmem designated-movable-block Doug Berger 2022-09-13 19:55 ` Doug Berger 2022-09-13 19:55 ` [PATCH 18/21] mm/cma: support CMA in Designated Movable Blocks Doug Berger 2022-09-13 19:55 ` Doug Berger 2022-09-14 17:07 ` kernel test robot 2022-09-14 17:07 ` kernel test robot 2022-09-14 17:58 ` kernel test robot 2022-09-14 17:58 ` kernel test robot 2022-09-14 22:03 ` kernel test robot 2022-09-14 22:03 ` kernel test robot 2022-09-13 19:55 ` [PATCH 19/21] dt-bindings: reserved-memory: shared-dma-pool: support DMB Doug Berger 2022-09-13 19:55 ` Doug Berger 2022-09-13 19:55 ` [PATCH 20/21] mm/cma: introduce rmem shared-dmb-pool Doug Berger 2022-09-13 19:55 ` Doug Berger 2022-09-13 19:55 ` [PATCH 21/21] mm/hugetlb: introduce hugetlb_dmb Doug Berger 2022-09-13 19:55 ` Doug Berger 2022-09-14 13:21 ` [PATCH 00/21] mm: introduce Designated Movable Blocks Rob Herring 2022-09-14 13:21 ` Rob Herring 2022-09-14 16:57 ` Doug Berger 2022-09-14 16:57 ` Doug Berger 2022-09-14 18:07 ` Rob Herring 2022-09-14 18:07 ` Rob Herring 2022-09-19 9:00 ` David Hildenbrand 2022-09-19 9:00 ` David Hildenbrand 2022-09-20 1:03 ` Doug Berger 2022-09-20 1:03 ` Doug Berger 2022-09-23 11:19 ` Mike Rapoport 2022-09-23 11:19 ` Mike Rapoport 2022-09-23 22:10 ` Doug Berger 2022-09-23 22:10 ` Doug Berger 2022-09-29 9:00 ` David Hildenbrand 2022-09-29 9:00 ` David Hildenbrand 2022-10-01 0:42 ` Doug Berger 2022-10-05 18:39 ` David Hildenbrand 2022-10-12 23:38 ` Doug Berger
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