From: Yasuaki Ishimatsu Date: Thu, 22 Jul 2010 05:57:35 +0000 (+0900) Subject: x86: Ioremap: fix wrong physical address handling in PAT code X-Git-Url: http://git.efficios.com/?a=commitdiff_plain;h=3709c857350976408953831f0cf89d19951394a1;p=deliverable%2Flinux.git x86: Ioremap: fix wrong physical address handling in PAT code The following two commits fixed a problem that x86 ioremap() doesn't handle physical address higher than 32-bit properly in X86_32 PAE mode. ffa71f33a820d1ab3f2fc5723819ac60fb76080b (x86, ioremap: Fix incorrect physical address handling in PAE mode) 35be1b716a475717611b2dc04185e9d80b9cb693 (x86, ioremap: Fix normal ram range check) But these fixes are not enough, since pat_pagerange_is_ram() in PAT code also has a same problem. This patch fixes it. Signed-off-by: Yasuaki Ishimatsu Reviewed-by: Kenji Kaneshige LKML-Reference: <4C47DDCF.80300@jp.fujitsu.com> Signed-off-by: Thomas Gleixner --- diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index acc15b23b743..03b48c80c651 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -158,7 +158,7 @@ static unsigned long pat_x_mtrr_type(u64 start, u64 end, unsigned long req_type) return req_type; } -static int pat_pagerange_is_ram(unsigned long start, unsigned long end) +static int pat_pagerange_is_ram(resource_size_t start, resource_size_t end) { int ram_page = 0, not_rampage = 0; unsigned long page_nr;