powerpc/32: prepare shadow area for KASAN

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This patch prepares a shadow area for KASAN.

The shadow area will be at the top of the kernel virtual
memory space above the fixmap area and will occupy one
eighth of the total kernel virtual memory space.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Christophe Leroy 2019-04-26 16:23:32 +00:00 • committed by Michael Ellerman

parent a67beca077

commit b4abe38fd6

5 changed files with 38 additions and 0 deletions

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5

arch/powerpc/Kconfig.debug

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5

arch/powerpc/include/asm/fixmap.h

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16

arch/powerpc/include/asm/kasan.h

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4

arch/powerpc/mm/mem.c

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8

arch/powerpc/mm/ptdump/ptdump.c

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