MIPS: init: Ensure bootmem does not corrupt reserved memory
authorMarcin Nowakowski <marcin.nowakowski@imgtec.com>
Wed, 23 Nov 2016 13:43:45 +0000 (14:43 +0100)
committerRalf Baechle <ralf@linux-mips.org>
Tue, 3 Jan 2017 15:34:45 +0000 (16:34 +0100)
commitd9b5b658210f28ed9f70c757d553e679d76e2986
tree5f12af5404507bbbee0cb5880b21744e2b0d193f
parente89ef66d7682f031f026eee6bba03c8c2248d2a9
MIPS: init: Ensure bootmem does not corrupt reserved memory

Current init code initialises bootmem allocator with all of the low
memory that it assumes is available, but does not check for reserved
memory block, which can lead to corruption of data that may be stored
there.
Move bootmem's allocation map to a location that does not cross any
reserved regions

Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14609/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/kernel/setup.c