lkml.org 
[lkml]   [2020]   [Sep]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH AUTOSEL 5.4 032/330] dax: Fix alloc_dax_region() compile warning
    Date
    From: Dan Williams <dan.j.williams@intel.com>

    [ Upstream commit 460370ab20b6cc174256e46e192adf01e730faf6 ]

    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 <lkp@intel.com>
    Signed-off-by: Dan Williams <dan.j.williams@intel.com>
    Acked-by: Thomas Gleixner <tglx@linutronix.de>
    Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 8fafbeab510a8..eccdda1f7b71b 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 8619e32999436..9e4eba67e8b98 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 6ccca3b890d6f..3107ce80e8090 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;
    };

    /**
    --
    2.25.1
    \
     
     \ /
      Last update: 2020-09-18 04:02    [W:3.404 / U:0.096 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site