Re: pte_offset_map for ppc assumes HIGHPTE
From: Andreas Schwab <hidden>
Date: 2007-07-25 23:18:58
Also in:
linux-mm, lkml
From: Andreas Schwab <hidden>
Date: 2007-07-25 23:18:58
Also in:
linux-mm, lkml
Satya [off-list ref] 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 notkmap_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. -- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."