Missed one:
static inline dma_addr_t pfn_t_to_phys(pfn_t pfn)
{
return PFN_PHYS(pfn_t_to_pfn(pfn));
}
On Fri, Jan 22, 2016 at 09:51:14AM -0800, Dan Williams wrote:
> A dma_addr_t is potentially smaller than a phys_addr_t on some archs.
> Don't truncate the address when doing the pfn conversion.
>
> Cc: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
> Reported-by: Matthew Wilcox <willy@xxxxxxxxxxxxxxx>
> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> ---
> include/linux/pfn_t.h | 2 +-
> kernel/memremap.c | 2 +-
> tools/testing/nvdimm/test/iomap.c | 2 +-
> 3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/include/linux/pfn_t.h b/include/linux/pfn_t.h
> index 0703b5360d31..98145a17c1eb 100644
> --- a/include/linux/pfn_t.h
> +++ b/include/linux/pfn_t.h
> @@ -29,7 +29,7 @@ static inline pfn_t pfn_to_pfn_t(unsigned long pfn)
> return __pfn_to_pfn_t(pfn, 0);
> }
>
> -extern pfn_t phys_to_pfn_t(dma_addr_t addr, unsigned long flags);
> +extern pfn_t phys_to_pfn_t(phys_addr_t addr, unsigned long flags);
>
> static inline bool pfn_t_has_page(pfn_t pfn)
> {
> diff --git a/kernel/memremap.c b/kernel/memremap.c
> index e517a16cb426..7f6d08f41d72 100644
> --- a/kernel/memremap.c
> +++ b/kernel/memremap.c
> @@ -150,7 +150,7 @@ void devm_memunmap(struct device *dev, void *addr)
> }
> EXPORT_SYMBOL(devm_memunmap);
>
> -pfn_t phys_to_pfn_t(dma_addr_t addr, unsigned long flags)
> +pfn_t phys_to_pfn_t(phys_addr_t addr, unsigned long flags)
> {
> return __pfn_to_pfn_t(addr >> PAGE_SHIFT, flags);
> }
> diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c
> index 7ec7df9e7fc7..0c1a7e65bb81 100644
> --- a/tools/testing/nvdimm/test/iomap.c
> +++ b/tools/testing/nvdimm/test/iomap.c
> @@ -113,7 +113,7 @@ void *__wrap_devm_memremap_pages(struct device *dev, struct resource *res,
> }
> EXPORT_SYMBOL(__wrap_devm_memremap_pages);
>
> -pfn_t __wrap_phys_to_pfn_t(dma_addr_t addr, unsigned long flags)
> +pfn_t __wrap_phys_to_pfn_t(phys_addr_t addr, unsigned long flags)
> {
> struct nfit_test_resource *nfit_res = get_nfit_res(addr);
>
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>