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1463fdbcc7
Fix the fact that pte_mkread set _PAGE_RW instead of _PAGE_USER (the logic is copied from i386 in most place, so it is really as bad as you're thinking). Thus currently page tables are more permissive than they should. Such a change may trigger other latent bugs, so be careful with this. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>