pte_offset_map for ppc assumes HIGHPTE

Andreas Schwab schwab at
Thu Jul 26 09:18:48 EST 2007

Satya <satyakiran at> writes:

> hello,
> The implementation of pte_offset_map() for ppc assumes that PTEs are
> kept in highmem (CONFIG_HIGHPTE). There is only one implmentation of
> pte_offset_map() as follows (include/asm-ppc/pgtable.h):
> #define pte_offset_map(dir, addr)               \
>          ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE0) + pte_index(addr))
> Shouldn't this be made conditional according to CONFIG_HIGHPTE is
> defined or not

kmap_atomic is always defined with or without CONFIG_HIGHPTE.

> (as implemented in include/asm-i386/pgtable.h) ?

I don't think that needs it either.


Andreas Schwab, SuSE Labs, schwab at
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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