The dev field in struct dev_pagemap is only used to print dev_name in two places, which are at best nice to have. Just remove the field and thus the name in those two messages. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx> --- include/linux/memremap.h | 1 - kernel/memremap.c | 6 +----- mm/page_alloc.c | 2 +- 3 files changed, 2 insertions(+), 7 deletions(-) diff --git a/include/linux/memremap.h b/include/linux/memremap.h index f8a5b2a19945..8f0013e18e14 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -109,7 +109,6 @@ struct dev_pagemap { struct percpu_ref *ref; struct percpu_ref internal_ref; struct completion done; - struct device *dev; enum memory_type type; unsigned int flags; u64 pci_p2pdma_bus_offset; diff --git a/kernel/memremap.c b/kernel/memremap.c index 6ee03a816d67..600a14cbe663 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -96,7 +96,6 @@ static void dev_pagemap_cleanup(struct dev_pagemap *pgmap) static void devm_memremap_pages_release(void *data) { struct dev_pagemap *pgmap = data; - struct device *dev = pgmap->dev; struct resource *res = &pgmap->res; unsigned long pfn; int nid; @@ -123,8 +122,7 @@ static void devm_memremap_pages_release(void *data) untrack_pfn(NULL, PHYS_PFN(res->start), resource_size(res)); pgmap_array_delete(res); - dev_WARN_ONCE(dev, pgmap->altmap.alloc, - "%s: failed to free all reserved pages\n", __func__); + WARN_ONCE(pgmap->altmap.alloc, "failed to free all reserved pages\n"); } static void dev_pagemap_percpu_release(struct percpu_ref *ref) @@ -245,8 +243,6 @@ void *devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap) goto err_array; } - pgmap->dev = dev; - error = xa_err(xa_store_range(&pgmap_array, PHYS_PFN(res->start), PHYS_PFN(res->end), pgmap, GFP_KERNEL)); if (error) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 272c6de1bf4e..b39baa2b1faf 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5982,7 +5982,7 @@ void __ref memmap_init_zone_device(struct zone *zone, } } - pr_info("%s initialised, %lu pages in %ums\n", dev_name(pgmap->dev), + pr_info("%s initialised %lu pages in %ums\n", __func__, size, jiffies_to_msecs(jiffies - start)); } -- 2.20.1