On Mon, 25 Jan 2021, Dave Hansen wrote: > > From: Dave Hansen <dave.han...@linux.intel.com> > > RECLAIM_ZONE was assumed to be unused because it was never explicitly > used in the kernel. However, there were a number of places where it > was checked implicitly by checking 'node_reclaim_mode' for a zero > value. > > These zero checks are not great because it is not obvious what a zero > mode *means* in the code. Replace them with a helper which makes it > more obvious: node_reclaim_enabled(). > > This helper also provides a handy place to explicitly check the > RECLAIM_ZONE bit itself. Check it explicitly there to make it more > obvious where the bit can affect behavior. > > This should have no functional impact. > > Signed-off-by: Dave Hansen <dave.han...@linux.intel.com> > Reviewed-by: Ben Widawsky <ben.widaw...@intel.com> > Acked-by: Christoph Lameter <c...@linux.com> > Cc: Alex Shi <alex....@linux.alibaba.com> > Cc: "Tobin C. Harding" <to...@kernel.org> > Cc: Christoph Lameter <c...@linux.com> > Cc: Andrew Morton <a...@linux-foundation.org> > Cc: Huang Ying <ying.hu...@intel.com> > Cc: Dan Williams <dan.j.willi...@intel.com> > Cc: Qian Cai <c...@lca.pw> > Cc: Daniel Wagner <dwag...@suse.de> > Cc: osalvador <osalva...@suse.de>
Acked-by: David Rientjes <rient...@google.com>
