Aubrey Li <[EMAIL PROTECTED]> wrote: > Summary is, when I run the app "time test", > > on x86: > real 0m0.066s > user 0m0.008s > sys 0m0.058s > > on Blackfin: > real 3m 37.69s > user 0m 0.04s > sys 3m 37.58s
That's not a good comparison: you're comparing two different machines of two different archs. > Keep the same behave as MMU but with bad performance, or keep the same > performance as MMU but without the same behave, Which one is more > important? The thing to do is to pass a flag to mmap() to suppress the memset (as suggested). This can then be used by the uClibc malloc() implementation and does not impact any application that does an anon mmap() expecting the memory returned to be zeroed. David - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/