[ARM] pgtable: swp pte layout documentation, definitions, and check

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Document the layout of our swp PTE entries, adding definitions for
the bit masks/shifts/sizes, and implement MAX_SWAPFILES_CHECK()
such that we fail to build if we are unable to properly encode the
swp type field.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Russell King 2009-07-05 11:30:15 +01:00 • committed by Russell King

parent ba9b42e4ff

commit fb93a1c75e

1 changed files with 25 additions and 5 deletions

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arch/arm/include/asm/pgtable.h

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