On Wed,  8 Feb 2012 10:51:42 -0500
Naoya Horiguchi [off-list ref] wrote:

Currently a local variable of pagemap entry in pagemap_pte_range()
is named pfn and typed with u64, but it's not correct (pfn should
be unsigned long.)

Does this means "the name 'pfn' implies unsigned long, usually. And
this usage is confusing." ?

This patch introduces special type for pagemap entry and replace
code with it.

Signed-off-by: Naoya Horiguchi <redacted>
Cc: Andrew Morton <akpm@linux-foundation.org>

Reviewed-by: KAMEZAWA Hiroyuki <redacted>