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(parent: f0646e4) | patch
x86: c_p_a(), add simple self test at boot
authorAndi Kleen <ak@suse.de>
Wed, 30 Jan 2008 12:33:43 +0000 (13:33 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:33:43 +0000 (13:33 +0100)
commitfa2d8369a1e0e5dd0fdaaba9d40ca5187f4cd20b
tree0cd340b81cea0b6f84993c005e7f6e0b4b5aa63atree | snapshot (tar.gz zip)
parentf0646e43acb18f0e00b00085dc88bc3f403e7930commit | diff
x86: c_p_a(), add simple self test at boot

Since change_page_attr() is tricky code it is good to have some regression
test code. This patch maps and unmaps some random pages in the direct mapping
at boot and then dumps the state and does some simple sanity checks.

Add it with a CONFIG option.

Signed-off-by: Andi Kleen <ak@suse.de>
Acked-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/mm/Makefile_32 diff | blob | blame | history
arch/x86/mm/Makefile_64 diff | blob | blame | history
arch/x86/mm/pageattr-test.c [new file with mode: 0644] blob
Motorola kernel-slsi