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authorJes Sorensen <jes@sgi.com>2006-10-25 05:49:53 -0400
committerTony Luck <tony.luck@intel.com>2006-10-26 14:57:06 -0700
commitf2454a1a4b2aca38d3b7887619f43291d773c1ee (patch)
tree72b865056b807feef4f85a6c2fa48e24eed38cd0 /include/asm-ia64
parente80391500078b524083ba51c3df01bbaaecc94bb (diff)
[IA64] don't double >> PAGE_SHIFT pointer for /dev/kmem access
Don't PAGE_SHIFT pointer before handing it to virt_to_page() in xlate_dev_kmem_ptr() as it results in a double shift. Spotted by Bob Montgomery. Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64')
-rw-r--r--include/asm-ia64/uaccess.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-ia64/uaccess.h b/include/asm-ia64/uaccess.h
index 9adb51211c22..449c8c0fa2bd 100644
--- a/include/asm-ia64/uaccess.h
+++ b/include/asm-ia64/uaccess.h
@@ -389,7 +389,7 @@ xlate_dev_kmem_ptr (char * p)
struct page *page;
char * ptr;
- page = virt_to_page((unsigned long)p >> PAGE_SHIFT);
+ page = virt_to_page((unsigned long)p);
if (PageUncached(page))
ptr = (char *)__pa(p) + __IA64_UNCACHED_OFFSET;
else