On 01/14/2014 11:49 AM, Christoph Lameter wrote: > On Tue, 14 Jan 2014, Dave Hansen wrote: >> page->pfmemalloc does not deserve a spot in 'struct page'. It is >> only used transiently _just_ after a page leaves the buddy >> allocator. > > Why would we need to do this if we are removing the cmpxchg_double?
Why do we need the patch? 'struct page' is a mess. It's really hard to follow, and the space in the definition is a limited resource. We should not waste that space on such a transient and unimportant value as pfmemalloc. -- 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/
