* Akinobu Mita <akinobu.mita@xxxxxxxxx> wrote: > CONFIG_DEBUG_PAGEALLOC is now supported by x86, powerpc, sparc > (64bit), and s390. This patch implements it for the rest of > the architectures by filling the pages with poison byte > patterns after free_pages() and verifying the poison patterns > before alloc_pages(). > > This generic one cannot detect invalid read accesses and it > can only detect invalid write accesses after a long delay. But > it is an feasible way for nommu architectures. if every architecture supports it now then i guess this config switch can go away: > +config ARCH_SUPPORTS_DEBUG_PAGEALLOC > + def_bool y Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
