Messages in this thread | | | Date | Wed, 16 May 2007 16:19:49 +1000 | From | Nick Piggin <> | Subject | Re: Pagecache zeroing: zero_user_segment, zero_user_segments and zero_user |
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Christoph Lameter wrote: > On Wed, 16 May 2007, Nick Piggin wrote: > > >>Well sure, if that's all Christoph is worried about, then it isn't >>really valid because in generic code we have to follow the architecture >>abstraction API -- there is no "non highmem platform" in generic code :) > > > But there is a default KM_USER0 that is used in many functions. > > F.e. > > filemap_copy_from_user *_iovec xip_truncate_page clear_user_highpage > clear_highpage copy_user_highpage copy_highpage > > So explicitly mentioning KM_USER0 in every function call is not a > requirement.
You probably have an argument there... but that's not to do with highmem platforms or not.
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