Messages in this thread | | | Date | Tue, 15 May 2007 23:13:22 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: Pagecache zeroing: zero_user_segment, zero_user_segments and zero_user |
| |
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.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |