On Tue, Jan 14, 2014 at 10:00:51AM -0800, Dave Hansen wrote: > > From: Dave Hansen <dave.han...@linux.intel.com> > > page->pfmemalloc does not deserve a spot in 'struct page'. It is > only used transiently _just_ after a page leaves the buddy > allocator. > > Instead of declaring a union, we move its functionality behind a > few quick accessor functions. This way we could also much more > easily audit that it is being used correctly in debugging > scenarios. For instance, we could store a magic number in there > which could never get reused as a page->index and check that the > magic number exists in page_pfmemalloc(). > > Signed-off-by: Dave Hansen <dave.han...@linux.intel.com>
Acked-by: Kirill A. Shutemov <kirill.shute...@linux.intel.com> -- Kirill A. Shutemov -- 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/
