Messages in this thread | | | Date | Mon, 09 Jan 2012 08:29:40 +0000 | From | "Jan Beulich" <> | Subject | Re: x86-64: memset()/memcpy() not fully standards compliant |
| |
>>> On 06.01.12 at 21:40, <Valdis.Kletnieks@vt.edu> wrote: > On Thu, 05 Jan 2012 14:04:30 GMT, Jan Beulich said: >> Forever these two functions have been limited to deal with at most 4G >> at a time. While I cannot point out an in-tree user that would require >> larger sizes, it is now the second time that within our Xen kernel we got >> bitten by that limitation. > > Wow. Second time? What the heck is the Xen kernel *doing* that it's > trying to do over 4G in a single memset/memcpy?
Please see my other reply to Andi for what data structures are affected here (and starting at what total memory sizes).
Jan
| |