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Author SHA1 Message Date
Russell King d30e45eeab ARM: pgtable: switch order of Linux vs hardware page tables 
This switches the ordering of the Linux vs hardware page tables in
each page, thereby eliminating some of the arithmetic in the page
table walks.  As we now place the Linux page table at the beginning
of the page, we can deal with the offset in the pgt by simply masking
it away, along with the other control bits.

This also makes the arithmetic all be positive, rather than a mixture.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 2010-12-22 11:05:32 +00:00
Russell King 97092e0c56 ARM: pgtable: use phys_addr_t for physical addresses 
Ensure that physical addresses are typed as phys_addr_t

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 2010-11-26 20:45:46 +00:00
Russell King b0d03745b1 ARM: pgtable: get rid of get_pgd_slow()/free_pgd_slow() 
These old names are just aliases for pgd_alloc/pgd_free.  Just use the
new names.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 2010-11-26 20:45:45 +00:00
Russell King 65cec8e3db ARM: implement highpte 
Add the ARM implementation of highpte, which allows PTE tables to be
placed in highmem.  Unfortunately, we do not offer highpte support
when support for L2 cache is enabled.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 2009-08-17 20:02:06 +01:00
Russell King 4baa992243 [ARM] move include/asm-arm to arch/arm/include/asm 
Move platform independent header files to arch/arm/include/asm, leaving
those in asm/arch* and asm/plat* alone.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
 2008-08-02 21:32:35 +01:00