On Thu, Nov 8, 2012 at 12:48 PM, Alexander Holler <hol...@ahsoftware.de> wrote: > Hello, > > I've recently discovered the lack of the command line parameter memtest for > ARM. So I've made a patch. > > But I have some questions: > > 1. arch/x86/mm/memtest.c looks platform independ. > The only thing why I don't use it for arm, is because it uses 64bit > pointers. Maybe it could be moved to mm/memtest.c. If so, the memtest32.c > I'm using (basically a copy of memtest.c) could be moved there too. > > 2. Because the below memtest32.c is basically a copy of > arch/x86/mm/memtest.c, I'm not sure if the mapping from physical to virtual > locations there does fit (always) for ARM too. I know almost as much about > the in-kernel memory organization on x86 as on ARM, which is not really that > much (some theory about TLBs, some source code explorations, ..., but I'm > working on it). ;)
We are using arch/x86/mm/memtest.c for x86 32bit and 64bit. So it should be ok to use it with arm 32bit and 64bit directly. Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
