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authorDan Williams <dan.j.williams@intel.com>2016-01-22 20:43:28 +0300
committerDan Williams <dan.j.williams@intel.com>2016-01-31 20:10:19 +0300
commit76e9f0ee52b0be5761e29847e0ef01f23f24f1df (patch)
tree0efd20fa750dc2caf479fd0164493d5b50653413 /kernel
parent03fc2da63b9a33dce784a2075c7e068bb97cbf69 (diff)
downloadlinux-76e9f0ee52b0be5761e29847e0ef01f23f24f1df.tar.xz
phys_to_pfn_t: use phys_addr_t
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@linux.intel.com> Reported-by: Matthew Wilcox <willy@linux.intel.com> [willy: fix pfn_t_to_phys as well] Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/memremap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/memremap.c b/kernel/memremap.c
index cbc3e97e2bb4..70ee3775de24 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);
}