Messages in this thread | | | Date | Sat, 2 Nov 2002 13:09:54 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH] 2/2 2.5.45 cleanup & add original copy_ro/from_user |
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> That depends on size. If you do huge memcpy (say 1 mb) it still > wins by wide margin. Not that we do such huge operations often, > but code can check size and pick different routines for small > and big blocks
The kernel nevers does such huge memcpys. It rarely does handle any buffer bigger than a page (4K)
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