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| author | Nick Piggin <npiggin@suse.de> | 2008-07-28 05:28:03 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-28 08:30:52 +0200 |
| commit | 83ac6a1ed40bfbe185cf2bac5505d8d97aad8b1d (patch) | |
| tree | f29cf4d1b3b6f859ead2598c9d741ffc5a56ec8b /samples/Kconfig | |
| parent | powerpc: Show processor cache information in sysfs (diff) | |
| download | linux-83ac6a1ed40bfbe185cf2bac5505d8d97aad8b1d.tar.xz linux-83ac6a1ed40bfbe185cf2bac5505d8d97aad8b1d.zip | |
powerpc/mm: Implement _PAGE_SPECIAL & pte_special() for 64-bit
Implement _PAGE_SPECIAL and pte_special() for 64-bit powerpc. This bit will
be used by the fast get_user_pages() to differenciate PTEs that correspond
to a valid struct page from special mappings that don't such as IO mappings
obtained via io_remap_pfn_ranges().
Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'samples/Kconfig')
0 files changed, 0 insertions, 0 deletions