Need to add... On Fri, May 13, 2011 at 21:32, Mulyadi Santosa <mulyadi.santosa@xxxxxxxxx> wrote: > OK, a bit clear now.... so, I can say base on the above code snippet, > buffer...when declared as static, somehow falls into non > ZONE_NORMAL......i.e non directly mapped memory area... what I precisely mean, it falls into non DMA able zone... -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies