On Sun, Jan 02, 2022 at 04:11:08PM +0000, Matthew Wilcox wrote:
> On Thu, Dec 23, 2021 at 08:36:45AM +0100, Christoph Hellwig wrote:
> > On Wed, Dec 08, 2021 at 04:22:41AM +0000, Matthew Wilcox (Oracle) wrote:
> > > Convert both callers of unmap_mapping_page() to call unmap_mapping_folio()
> > > instead. Also move zap_details from linux/mm.h to mm/internal.h
> >
> > In fact it could even move to mm/memory.c as no one needs it outside of
> > that file. __oom_reap_task_mm always passes a NULL zap_details argument
> > to unmap_page_range.
>
> Umm ... no?
>
> static inline bool
> zap_skip_check_mapping(struct zap_details *details, struct page *page)
> {
> if (!details || !page)
> return false;
>
> return details->zap_mapping &&
> (details->zap_mapping != page_rmapping(page));
> }
And now check where zap_skip_check_mapping is actually called..
