From: Wei Yang <richardw.yang@linux.intel.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: akpm@linux-foundation.org, mhocko@suse.com,
Pavel Tatashin <pasha.tatashin@soleen.com>,
David Hildenbrand <david@redhat.com>,
linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, osalvador@suse.de
Subject: Re: [PATCH v9 06/12] mm: Kill is_dev_zone() helper
Date: Tue, 18 Jun 2019 11:35:46 +0800 [thread overview]
Message-ID: <20190618033546.GE18161@richard> (raw)
In-Reply-To: <155977191260.2443951.15908146523735681570.stgit@dwillia2-desk3.amr.corp.intel.com>
On Wed, Jun 05, 2019 at 02:58:32PM -0700, Dan Williams wrote:
>Given there are no more usages of is_dev_zone() outside of 'ifdef
>CONFIG_ZONE_DEVICE' protection, kill off the compilation helper.
>
>Cc: Michal Hocko <mhocko@suse.com>
>Cc: Logan Gunthorpe <logang@deltatee.com>
>Acked-by: David Hildenbrand <david@redhat.com>
>Reviewed-by: Oscar Salvador <osalvador@suse.de>
>Reviewed-by: Pavel Tatashin <pasha.tatashin@soleen.com>
>Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Wei Yang <richardw.yang@linux.intel.com>
>---
> include/linux/mmzone.h | 12 ------------
> mm/page_alloc.c | 2 +-
> 2 files changed, 1 insertion(+), 13 deletions(-)
>
>diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
>index 6dd52d544857..49e7fb452dfd 100644
>--- a/include/linux/mmzone.h
>+++ b/include/linux/mmzone.h
>@@ -855,18 +855,6 @@ static inline int local_memory_node(int node_id) { return node_id; };
> */
> #define zone_idx(zone) ((zone) - (zone)->zone_pgdat->node_zones)
>
>-#ifdef CONFIG_ZONE_DEVICE
>-static inline bool is_dev_zone(const struct zone *zone)
>-{
>- return zone_idx(zone) == ZONE_DEVICE;
>-}
>-#else
>-static inline bool is_dev_zone(const struct zone *zone)
>-{
>- return false;
>-}
>-#endif
>-
> /*
> * Returns true if a zone has pages managed by the buddy allocator.
> * All the reclaim decisions have to use this function rather than
>diff --git a/mm/page_alloc.c b/mm/page_alloc.c
>index bd773efe5b82..5dff3f49a372 100644
>--- a/mm/page_alloc.c
>+++ b/mm/page_alloc.c
>@@ -5865,7 +5865,7 @@ void __ref memmap_init_zone_device(struct zone *zone,
> unsigned long start = jiffies;
> int nid = pgdat->node_id;
>
>- if (WARN_ON_ONCE(!pgmap || !is_dev_zone(zone)))
>+ if (WARN_ON_ONCE(!pgmap || zone_idx(zone) != ZONE_DEVICE))
> return;
>
> /*
>
>_______________________________________________
>Linux-nvdimm mailing list
>Linux-nvdimm@lists.01.org
>https://lists.01.org/mailman/listinfo/linux-nvdimm
--
Wei Yang
Help you, Help me
next prev parent reply other threads:[~2019-06-18 3:36 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-05 21:57 [PATCH v9 00/12] mm: Sub-section memory hotplug support Dan Williams
2019-06-05 21:57 ` [PATCH v9 01/12] mm/sparsemem: Introduce struct mem_section_usage Dan Williams
2019-06-06 17:34 ` Oscar Salvador
2019-06-16 13:11 ` Wei Yang
2019-06-18 21:56 ` Dan Williams
2019-06-19 2:13 ` Wei Yang
2019-06-05 21:57 ` [PATCH v9 02/12] mm/sparsemem: Add helpers track active portions of a section at boot Dan Williams
2019-06-06 16:55 ` Oscar Salvador
2019-06-17 22:21 ` Wei Yang
2019-06-17 22:32 ` Dan Williams
2019-06-18 1:03 ` Wei Yang
2019-06-19 3:15 ` Dan Williams
2019-06-05 21:58 ` [PATCH v9 03/12] mm/hotplug: Prepare shrink_{zone, pgdat}_span for sub-section removal Dan Williams
2019-06-18 1:42 ` Wei Yang
2019-06-19 3:40 ` Dan Williams
2019-06-05 21:58 ` [PATCH v9 04/12] mm/sparsemem: Convert kmalloc_section_memmap() to populate_section_memmap() Dan Williams
2019-06-06 17:02 ` Oscar Salvador
2019-06-16 6:06 ` Aneesh Kumar K.V
2019-06-05 21:58 ` [PATCH v9 05/12] mm/hotplug: Kill is_dev_zone() usage in __remove_pages() Dan Williams
2019-06-05 21:58 ` [PATCH v9 06/12] mm: Kill is_dev_zone() helper Dan Williams
2019-06-18 3:35 ` Wei Yang [this message]
2019-06-05 21:58 ` [PATCH v9 07/12] mm/sparsemem: Prepare for sub-section ranges Dan Williams
2019-06-06 17:21 ` Oscar Salvador
2019-06-06 18:16 ` Dan Williams
2019-06-14 8:39 ` David Hildenbrand
2019-06-05 21:58 ` [PATCH v9 08/12] mm/sparsemem: Support sub-section hotplug Dan Williams
2019-06-07 8:33 ` Oscar Salvador
2019-06-07 15:38 ` Dan Williams
2019-06-07 21:41 ` Oscar Salvador
2019-06-05 21:58 ` [PATCH v9 09/12] mm: Document ZONE_DEVICE memory-model implications Dan Williams
2019-06-05 21:58 ` [PATCH v9 10/12] mm/devm_memremap_pages: Enable sub-section remap Dan Williams
2019-06-07 8:56 ` Oscar Salvador
2019-06-16 7:49 ` Aneesh Kumar K.V
2019-06-05 21:58 ` [PATCH v9 11/12] libnvdimm/pfn: Fix fsdax-mode namespace info-block zero-fields Dan Williams
2019-06-06 21:46 ` Andrew Morton
2019-06-06 22:06 ` Dan Williams
2019-06-07 19:54 ` Andrew Morton
2019-06-07 20:09 ` Dan Williams
2019-06-12 9:41 ` Aneesh Kumar K.V
2019-06-05 21:59 ` [PATCH v9 12/12] libnvdimm/pfn: Stop padding pmem namespaces to section alignment Dan Williams
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