On Mon, 25 Jan 2021, Dave Hansen wrote: > > From: Dave Hansen <[email protected]> > > 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 <[email protected]> > Reviewed-by: Ben Widawsky <[email protected]> > Acked-by: Christoph Lameter <[email protected]> > Cc: Alex Shi <[email protected]> > Cc: "Tobin C. Harding" <[email protected]> > Cc: Christoph Lameter <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Huang Ying <[email protected]> > Cc: Dan Williams <[email protected]> > Cc: Qian Cai <[email protected]> > Cc: Daniel Wagner <[email protected]> > Cc: osalvador <[email protected]>
Acked-by: David Rientjes <[email protected]>
