ARM: 6996/1: mm: Poison freed init memory

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Poisoning __init marked memory can be useful when tracking down
obscure memory corruption bugs. Therefore, poison init memory
with 0xe7fddef0 to catch bugs earlier. The poison value is an
undefined instruction in ARM mode and branch to an undefined
instruction in Thumb mode.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Stephen Boyd 2011-07-07 18:43:36 +01:00 • committed by Russell King

parent 7fa22bd546

commit 54d5257351

1 changed files with 16 additions and 1 deletions

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arch/arm/mm/init.c

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