[POWERPC] Check _PAGE_RW and _PAGE_PRESENT on kernel addresses

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Previously, the TLB miss handlers assumed that pages above KERNELBASE are
always present and read/write.  This assumption is false in the case of
CONFIG_DEBUG_PAGEALLOC.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

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Scott Wood 2007-09-06 08:04:38 +10:00 • committed by Paul Mackerras

parent 96ebc3bfb6

commit bde6c6e16a

1 changed files with 6 additions and 6 deletions

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arch/powerpc/kernel/head_32.S

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