pte_offset_map for ppc assumes HIGHPTE
satyakiran at gmail.com
Thu Jul 26 08:16:01 EST 2007
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 (as implemented in include/asm-i386/pgtable.h) ?
the same goes for pte_offset_map_nested and the corresponding unmap functions.
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