From 460370ab20b6cc174256e46e192adf01e730faf6 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Wed, 6 Nov 2019 17:43:37 -0800 Subject: [PATCH] dax: Fix alloc_dax_region() compile warning PFN flags are (unsigned long long), fix the alloc_dax_region() calling convention to fix warnings of the form: >> include/linux/pfn_t.h:18:17: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define PFN_DEV (1ULL << (BITS_PER_LONG_LONG - 3)) Reported-by: kbuild test robot Signed-off-by: Dan Williams Acked-by: Thomas Gleixner Signed-off-by: Rafael J. Wysocki --- drivers/dax/bus.c | 2 +- drivers/dax/bus.h | 2 +- drivers/dax/dax-private.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index 8fafbeab..eccdda1 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -227,7 +227,7 @@ static void dax_region_unregister(void *region) struct dax_region *alloc_dax_region(struct device *parent, int region_id, struct resource *res, int target_node, unsigned int align, - unsigned long pfn_flags) + unsigned long long pfn_flags) { struct dax_region *dax_region; diff --git a/drivers/dax/bus.h b/drivers/dax/bus.h index 8619e329..9e4eba6 100644 --- a/drivers/dax/bus.h +++ b/drivers/dax/bus.h @@ -11,7 +11,7 @@ struct dax_region; void dax_region_put(struct dax_region *dax_region); struct dax_region *alloc_dax_region(struct device *parent, int region_id, struct resource *res, int target_node, unsigned int align, - unsigned long flags); + unsigned long long flags); enum dev_dax_subsys { DEV_DAX_BUS, diff --git a/drivers/dax/dax-private.h b/drivers/dax/dax-private.h index 6ccca3b..3107ce8 100644 --- a/drivers/dax/dax-private.h +++ b/drivers/dax/dax-private.h @@ -32,7 +32,7 @@ struct dax_region { struct device *dev; unsigned int align; struct resource res; - unsigned long pfn_flags; + unsigned long long pfn_flags; }; /** -- 2.7.4