Hi Lee-san > > > +config NORECLAIM > > > + bool "Track non-reclaimable pages (EXPERIMENTAL; 64BIT only)" > > > + depends on EXPERIMENTAL && 64BIT > > > + help > > > + Supports tracking of non-reclaimable pages off the [in]active lists > > > + to avoid excessive reclaim overhead on large memory systems. Pages > > > + may be non-reclaimable because: they are locked into memory, they > > > + are anonymous pages for which no swap space exists, or they are anon > > > + pages that are expensive to unmap [long anon_vma "related vma" list.] > > > > Why do you select to default is NO ? > > I think this is really improvement and no one of 64bit user > > hope turn off without NORECLAIM developer :) > > This was my doing. I left the default == NO during > development/experimemental stage so that one would have to take explicit > action to enable this function. If the feature makes it into mainline > and we decide that the default should be 'yes', that will be an easy > change.
Oh I see. I will help testing too for it merges to mainline early. thanks. - kosaki -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
