On Fri, May 19, 2017 at 04:48:54PM -0400, Zi Yan wrote: > On 19 May 2017, at 16:28, Mel Gorman wrote: > > > On Fri, May 19, 2017 at 12:37:38PM -0400, Zi Yan wrote: > >>> As you say, there is no functional change but the helper name is vague > >>> and gives no hint to what's it's checking for. It's somewhat tolerable as > >>> it is as it's obvious what is being checked but the same is not true with > >>> the helper name. > >>> > >> > >> Does queue_pages_invert_nodemask_check() work? I can change the helper name > >> in the next version. > >> > > > > Not particularly, maybe queue_pages_required and invert the check with a > > comment above it explaining what it's checking for would be ok. > > > > queue_pages_required() is too broad,
I'm somewhat amused that you'd complain that "required" is too broad while thinking "check" is somehow self-explanatory. > I would take queue_pages_page_nid_check() > and invert the check with a comment above saying > > /* > * Check if the page's nid is in qp->nmask. > * > * If MPOL_MF_INVERT is set in qp->flags, check if the nid is > * in the invert of qp->nmask. > */ > > Does it work? > I still don't like the name but I also am not interested in debating it further for something so small. Add the comment, it's better than nothing. -- Mel Gorman SUSE Labs