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[ARM] 5402/1: fix a case of wrap-around in sanity_check_meminfo()
authorNicolas Pitre <nico@cam.org>
Wed, 18 Feb 2009 21:29:22 +0000 (22:29 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 19 Feb 2009 09:49:45 +0000 (09:49 +0000)
commit3fd9825c42c784a59b3b90bdf073f49d4bb42a8d
treeae0910729307786e5393b66373239c4dee48303ftree | snapshot (tar.gz zip)
parentfd4b9b3650076ffadbdd6e360eb198f5d61747c0commit | diff
[ARM] 5402/1: fix a case of wrap-around in sanity_check_meminfo()

In the non highmem case, if two memory banks of 1GB each are provided,
the second bank would evade suppression since its virtual base would
be 0.  Fix this by disallowing any memory bank which virtual base
address is found to be lower than PAGE_OFFSET.

Reported-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mm/mmu.c diff | blob | blame | history