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(parent: 1d4d371) | patch
ARM: 8236/1: mm: fix discard_old_kernel_data
authorJungseung Lee <js07.lee@gmail.com>
Sat, 29 Nov 2014 01:51:49 +0000 (02:51 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 3 Dec 2014 16:00:04 +0000 (16:00 +0000)
commit802318743a449f74d3fc952ad7cdcbd3a44dcdc2
treebdb843d4a5e0db7c24bb89e446d2553ac49987c9tree | snapshot
parent1d4d37159d013a4c54d785407dd8902f901d7bc5commit | diff
ARM: 8236/1: mm: fix discard_old_kernel_data

L1_CACHE_BYTES could be larger value than real L1 cache line size.
In that case, discard_old_kernel_data() would omit to invalidate
last bytes as much as L1_CACHE_BYTES - real cache line size.

So fix end address to "to + PAGE_SIZE -1". The bottom bits
of the address is LINELEN. that is ignored by mcrr.

Signed-off-by: Jungseung Lee <js07.lee@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mm/copypage-v6.c diff | blob | history
Domain: System / Kernel;