On Thu, Dec 28, 2006 at 11:16:59AM +0100, Martin Michlmayr wrote: > * Gordon Farquharson <[EMAIL PROTECTED]> [2006-12-27 22:38]: > > >> #define TARGETSIZE (100 << 12) > > > > > >That's just 400kB! > > > > > >There's no way you should see corruption with that kind of value. It > > >should all stay solidly in the cache. > > > > > >Is this perhaps with ARM nommu or something else strange? It may be that > > >the program just doesn't work at all if mmap() is faked out with a malloc > > >or similar. > > > > Definitely a question for the ARM gurus. I'm out of my depth. > > By the way, I just tried it with TARGETSIZE (100 << 12) on a different > ARM machine (a Thecus N2100 based on an IOP32x chip with 128 MB of > memory) and I see similar results to that from Gordon:
Work around the glibc memset() problem by passing nr & 255, and re-run the test. You're getting false positives. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: - 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/
