From: David Hildenbrand <david@redhat.com> To: linux-kernel@vger.kernel.org Cc: Wei Yang <richard.weiyang@linux.alibaba.com>, "Michael S. Tsirkin" <mst@redhat.com>, Dave Hansen <dave.hansen@linux.intel.com>, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, linux-acpi@vger.kernel.org, Len Brown <lenb@kernel.org>, Pavel Tatashin <pasha.tatashin@soleen.com>, Anshuman Khandual <anshuman.khandual@arm.com>, Dan Williams <dan.j.williams@intel.com>, Michal Hocko <mhocko@kernel.org>, Vlastimil Babka <vbabka@suse.cz>, Oscar Salvador <osalvador@suse.de>, Pankaj Gupta <pankaj.gupta.linux@gmail.com>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, Hui Zhu <teawater@gmail.com>, Andrew Morton <akpm@linux-foundation.org>, Marek Kedzierski <mkedzier@redhat.com>, Mike Rapoport <rppt@kernel.org> Subject: [PATCH v1 01/12] mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range() Date: Mon, 7 Jun 2021 21:54:19 +0200 [thread overview] Message-ID: <20210607195430.48228-2-david@redhat.com> (raw) In-Reply-To: <20210607195430.48228-1-david@redhat.com> Checkpatch complained on a follow-up patch that we are using "unsigned" here, which defaults to "unsigned int" and checkpatch is correct. Use "unsigned long" instead, just as we do in other places when handling PFNs. This can bite us once we have physical addresses in the range of multiple TB. Fixes: e5e689302633 ("mm, memory_hotplug: display allowed zones in the preferred ordering") Signed-off-by: David Hildenbrand <david@redhat.com> --- include/linux/memory_hotplug.h | 4 ++-- mm/memory_hotplug.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 28f32fd00fe9..57a8aa463ccb 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -366,8 +366,8 @@ extern void sparse_remove_section(struct mem_section *ms, unsigned long map_offset, struct vmem_altmap *altmap); extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long pnum); -extern struct zone *zone_for_pfn_range(int online_type, int nid, unsigned start_pfn, - unsigned long nr_pages); +extern struct zone *zone_for_pfn_range(int online_type, int nid, + unsigned long start_pfn, unsigned long nr_pages); extern int arch_create_linear_mapping(int nid, u64 start, u64 size, struct mhp_params *params); void arch_remove_linear_mapping(u64 start, u64 size); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 70620d0dd923..4969614d2140 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -834,8 +834,8 @@ static inline struct zone *default_zone_for_pfn(int nid, unsigned long start_pfn return movable_node_enabled ? movable_zone : kernel_zone; } -struct zone *zone_for_pfn_range(int online_type, int nid, unsigned start_pfn, - unsigned long nr_pages) +struct zone *zone_for_pfn_range(int online_type, int nid, + unsigned long start_pfn, unsigned long nr_pages) { if (online_type == MMOP_ONLINE_KERNEL) return default_kernel_zone_for_pfn(nid, start_pfn, nr_pages); -- 2.31.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
WARNING: multiple messages have this Message-ID (diff)
From: David Hildenbrand <david@redhat.com> To: linux-kernel@vger.kernel.org Cc: David Hildenbrand <david@redhat.com>, Andrew Morton <akpm@linux-foundation.org>, Vitaly Kuznetsov <vkuznets@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, Marek Kedzierski <mkedzier@redhat.com>, Hui Zhu <teawater@gmail.com>, Pankaj Gupta <pankaj.gupta.linux@gmail.com>, Wei Yang <richard.weiyang@linux.alibaba.com>, Oscar Salvador <osalvador@suse.de>, Michal Hocko <mhocko@kernel.org>, Dan Williams <dan.j.williams@intel.com>, Anshuman Khandual <anshuman.khandual@arm.com>, Dave Hansen <dave.hansen@linux.intel.com>, Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, Len Brown <lenb@kernel.org>, Pavel Tatashin <pasha.tatashin@soleen.com>, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, linux-acpi@vger.kernel.org Subject: [PATCH v1 01/12] mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range() Date: Mon, 7 Jun 2021 21:54:19 +0200 [thread overview] Message-ID: <20210607195430.48228-2-david@redhat.com> (raw) In-Reply-To: <20210607195430.48228-1-david@redhat.com> Checkpatch complained on a follow-up patch that we are using "unsigned" here, which defaults to "unsigned int" and checkpatch is correct. Use "unsigned long" instead, just as we do in other places when handling PFNs. This can bite us once we have physical addresses in the range of multiple TB. Fixes: e5e689302633 ("mm, memory_hotplug: display allowed zones in the preferred ordering") Signed-off-by: David Hildenbrand <david@redhat.com> --- include/linux/memory_hotplug.h | 4 ++-- mm/memory_hotplug.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 28f32fd00fe9..57a8aa463ccb 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -366,8 +366,8 @@ extern void sparse_remove_section(struct mem_section *ms, unsigned long map_offset, struct vmem_altmap *altmap); extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long pnum); -extern struct zone *zone_for_pfn_range(int online_type, int nid, unsigned start_pfn, - unsigned long nr_pages); +extern struct zone *zone_for_pfn_range(int online_type, int nid, + unsigned long start_pfn, unsigned long nr_pages); extern int arch_create_linear_mapping(int nid, u64 start, u64 size, struct mhp_params *params); void arch_remove_linear_mapping(u64 start, u64 size); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 70620d0dd923..4969614d2140 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -834,8 +834,8 @@ static inline struct zone *default_zone_for_pfn(int nid, unsigned long start_pfn return movable_node_enabled ? movable_zone : kernel_zone; } -struct zone *zone_for_pfn_range(int online_type, int nid, unsigned start_pfn, - unsigned long nr_pages) +struct zone *zone_for_pfn_range(int online_type, int nid, + unsigned long start_pfn, unsigned long nr_pages) { if (online_type == MMOP_ONLINE_KERNEL) return default_kernel_zone_for_pfn(nid, start_pfn, nr_pages); -- 2.31.1
next prev parent reply other threads:[~2021-06-07 19:54 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-07 19:54 [PATCH v1 00/12] mm/memory_hotplug: "auto-movable" online policy and memory groups David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand [this message] 2021-06-07 19:54 ` [PATCH v1 01/12] mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range() David Hildenbrand 2021-06-07 19:54 ` [PATCH v1 02/12] mm: track present early pages per zone David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` [PATCH v1 03/12] mm/memory_hotplug: introduce "auto-movable" online policy David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` [PATCH v1 04/12] mm/memory_hotplug: remove nid parameter from arch_remove_memory() David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-08 8:32 ` Catalin Marinas 2021-06-08 8:32 ` Catalin Marinas 2021-06-08 8:32 ` Catalin Marinas 2021-06-08 8:32 ` Catalin Marinas 2021-06-08 10:50 ` Michael Ellerman 2021-06-08 10:50 ` Michael Ellerman 2021-06-08 10:50 ` Michael Ellerman 2021-06-08 10:50 ` Michael Ellerman 2021-06-09 5:51 ` Heiko Carstens 2021-06-09 5:51 ` Heiko Carstens 2021-06-09 5:51 ` Heiko Carstens 2021-06-07 19:54 ` [PATCH v1 05/12] mm/memory_hotplug: remove nid parameter from remove_memory() and friends David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-08 11:11 ` Michael Ellerman 2021-06-08 11:11 ` Michael Ellerman 2021-06-08 11:11 ` Michael Ellerman 2021-06-08 11:18 ` David Hildenbrand 2021-06-08 11:18 ` David Hildenbrand 2021-06-08 11:18 ` David Hildenbrand 2021-06-09 10:05 ` David Hildenbrand 2021-06-09 10:05 ` David Hildenbrand 2021-06-09 10:05 ` David Hildenbrand 2021-06-07 19:54 ` [PATCH v1 06/12] drivers/base/memory: "memory groups" to logically group memory blocks David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` [PATCH v1 07/12] mm/memory_hotplug: track present pages in memory groups David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` [PATCH v1 08/12] ACPI: memhotplug: memory resources cannot be enabled yet David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-08 12:20 ` Rafael J. Wysocki 2021-06-08 12:20 ` Rafael J. Wysocki 2021-06-07 19:54 ` [PATCH v1 09/12] ACPI: memhotplug: use a single static memory group for a single memory device David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-08 12:20 ` Rafael J. Wysocki 2021-06-08 12:20 ` Rafael J. Wysocki 2021-06-07 19:54 ` [PATCH v1 10/12] virtio-mem: use a single dynamic memory group for a single virtio-mem device David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` [PATCH v1 11/12] mm/memory_hotplug: memory group aware "auto-movable" online policy David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-07 19:54 ` [PATCH v1 12/12] mm/memory_hotplug: improved dynamic " David Hildenbrand 2021-06-07 19:54 ` David Hildenbrand 2021-06-08 9:42 ` [PATCH v1 00/12] mm/memory_hotplug: "auto-movable" online policy and memory groups Oscar Salvador 2021-06-08 10:12 ` David Hildenbrand 2021-06-08 10:12 ` David Hildenbrand
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