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(parent: 03a9dfb) | patch
x86/mm/init.c: devmem_is_allowed() off by one
authorT Makphaibulchoke <tmac@hp.com>
Fri, 7 Sep 2012 00:17:50 +0000 (10:17 +1000)
committerStephen Rothwell <sfr@canb.auug.org.au>
Fri, 7 Sep 2012 05:36:03 +0000 (15:36 +1000)
commitac95ef88cb745e14ec5fa6d14e9766e38fb5aa3a
treec7edc4ca5a5287b71f1685f68a2df181be0d72aatree | snapshot
parent03a9dfb653e59ed464bc314b474c564f3c0bd12bcommit | diff
x86/mm/init.c: devmem_is_allowed() off by one

Fix an off-by-one error in devmem_is_allowed(), which allows accesses to
physical addresses 0x100000-0x100fff, an extra page past 1MB.

Signed-off-by: T Makphaibulchoke <tmac@hp.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
arch/x86/mm/init.c diff | blob | history
Linux kernel for KaRo TX COM modules