linux-kernel - [tip:x86/apic] x86, apic: Use PAGE

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Message-ID: <tip-46dc281b1bb02527195fe2ad50a3af6d7f7f7325@git.kernel.org>
Date:	Sun, 8 Nov 2009 16:09:58 GMT
From:	tip-bot for Cyrill Gorcunov <gorcunov@...nvz.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	yinghai@...nel.org, gorcunov@...nvz.org, macro@...ux-mips.org,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:x86/apic] x86, apic: Use PAGE_SIZE instead of numbers

Commit-ID:  46dc281b1bb02527195fe2ad50a3af6d7f7f7325
Gitweb:     http://git.kernel.org/tip/46dc281b1bb02527195fe2ad50a3af6d7f7f7325
Author:     Cyrill Gorcunov <gorcunov@...nvz.org>
AuthorDate: Sun, 8 Nov 2009 18:53:56 +0300
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Sun, 8 Nov 2009 17:06:22 +0100

x86, apic: Use PAGE_SIZE instead of numbers

The whole page is reserved for IO-APIC fixmap
due to non-cacheable requirement. So lets note
this explicitly instead of playing with numbers.

Signed-off-by: Cyrill Gorcunov <gorcunov@...nvz.org>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: Maciej W. Rozycki <macro@...ux-mips.org>
LKML-Reference: <20091108155356.GB25940@...ovo>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 arch/x86/kernel/apic/io_apic.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 31e9db3..9ee1c16 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -4111,7 +4111,7 @@ fake_ioapic_page:
 		idx++;
 
 		ioapic_res->start = ioapic_phys;
-		ioapic_res->end = ioapic_phys + (4 * 1024) - 1;
+		ioapic_res->end = ioapic_phys + PAGE_SIZE-1;
 		ioapic_res++;
 	}
 }
--
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