Messages in this thread | | | From | Vitaly Mayatskikh <> | Subject | Re: [PATCH 1/2] Introduce copy_user_handle_tail routine | Date | Mon, 07 Jul 2008 14:12:56 +0200 |
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Vitaly Mayatskikh <v.mayatskih@gmail.com> writes:
>> one), by limiting the byte-for-byte one to be within a page, but that >> would be a "future enhancement" thing. > > Btw, how much does it cost to CPU to do a fault? Can it be compared with > average time of find_vma()?
Remark: this is for preventing fault in memset, not byte-to-byte copy.
-- wbr, Vitaly
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