The patch titled
Subject: mm: kill is_dev_zone() helper
has been added to the -mm tree. Its filename is
mm-kill-is_dev_zone-helper.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-kill-is_dev_zone-helper.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-kill-is_dev_zone-helper.patch
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------------------------------------------------------
From: Dan Williams <dan.j.williams@xxxxxxxxx>
Subject: mm: kill is_dev_zone() helper
Given there are no more usages of is_dev_zone() outside of 'ifdef
CONFIG_ZONE_DEVICE' protection, kill off the compilation helper.
Link: http://lkml.kernel.org/r/155977191260.2443951.15908146523735681570.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
Reviewed-by: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Logan Gunthorpe <logang@xxxxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Jane Chu <jane.chu@xxxxxxxxxx>
Cc: Jeff Moyer <jmoyer@xxxxxxxxxx>
Cc: Jérôme Glisse <jglisse@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Toshi Kani <toshi.kani@xxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/mmzone.h | 12 ------------
mm/page_alloc.c | 2 +-
2 files changed, 1 insertion(+), 13 deletions(-)
--- a/include/linux/mmzone.h~mm-kill-is_dev_zone-helper
+++ a/include/linux/mmzone.h
@@ -855,18 +855,6 @@ static inline int local_memory_node(int
*/
#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
--- a/mm/page_alloc.c~mm-kill-is_dev_zone-helper
+++ a/mm/page_alloc.c
@@ -5873,7 +5873,7 @@ void __ref memmap_init_zone_device(struc
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;
/*
_
Patches currently in -mm which might be from dan.j.williams@xxxxxxxxx are
mm-sparsemem-introduce-struct-mem_section_usage.patch
mm-sparsemem-add-helpers-track-active-portions-of-a-section-at-boot.patch
mm-hotplug-prepare-shrink_zone-pgdat_span-for-sub-section-removal.patch
mm-sparsemem-convert-kmalloc_section_memmap-to-populate_section_memmap.patch
mm-hotplug-kill-is_dev_zone-usage-in-__remove_pages.patch
mm-kill-is_dev_zone-helper.patch
mm-sparsemem-prepare-for-sub-section-ranges.patch
mm-sparsemem-support-sub-section-hotplug.patch
mm-document-zone_device-memory-model-implications.patch
mm-devm_memremap_pages-enable-sub-section-remap.patch
libnvdimm-pfn-fix-fsdax-mode-namespace-info-block-zero-fields.patch
libnvdimm-pfn-stop-padding-pmem-namespaces-to-section-alignment.patch
drivers-base-devres-introduce-devm_release_action.patch
mm-devm_memremap_pages-introduce-devm_memunmap_pages.patch
pci-p2pdma-fix-the-gen_pool_add_virt-failure-path.patch
lib-genalloc-introduce-chunk-owners.patch
pci-p2pdma-track-pgmap-references-per-resource-not-globally.patch
mm-devm_memremap_pages-fix-final-page-put-race.patch
