Re: [PATCH v1 20/36] mips: mm: convert __flush_dcache_pages() to __flush_dcache_folio_pages()

On Fri, Aug 29, 2025 at 03:44:20PM +0200, David Hildenbrand wrote:
> On 29.08.25 14:51, Lorenzo Stoakes wrote:
> > On Thu, Aug 28, 2025 at 10:51:46PM +0200, David Hildenbrand wrote:
> > > On 28.08.25 18:57, Lorenzo Stoakes wrote:
> > > > On Thu, Aug 28, 2025 at 12:01:24AM +0200, David Hildenbrand wrote:
> > > > > Let's make it clearer that we are operating within a single folio by
> > > > > providing both the folio and the page.
> > > > >
> > > > > This implies that for flush_dcache_folio() we'll now avoid one more
> > > > > page->folio lookup, and that we can safely drop the "nth_page" usage.
> > > > >
> > > > > Cc: Thomas Bogendoerfer <[email protected]>
> > > > > Signed-off-by: David Hildenbrand <[email protected]>
> > > > > ---
> > > > >    arch/mips/include/asm/cacheflush.h | 11 +++++++----
> > > > >    arch/mips/mm/cache.c               |  8 ++++----
> > > > >    2 files changed, 11 insertions(+), 8 deletions(-)
> > > > >
> > > > > diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
> > > > > index 5d283ef89d90d..8d79bfc687d21 100644
> > > > > --- a/arch/mips/include/asm/cacheflush.h
> > > > > +++ b/arch/mips/include/asm/cacheflush.h
> > > > > @@ -50,13 +50,14 @@ extern void (*flush_cache_mm)(struct mm_struct *mm);
> > > > >    extern void (*flush_cache_range)(struct vm_area_struct *vma,
> > > > >    	unsigned long start, unsigned long end);
> > > > >    extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
> > > > > -extern void __flush_dcache_pages(struct page *page, unsigned int nr);
> > > > > +extern void __flush_dcache_folio_pages(struct folio *folio, struct page *page, unsigned int nr);
> > > >
> > > > NIT: Be good to drop the extern.
> > >
> > > I think I'll leave the one in, though, someone should clean up all of them
> > > in one go.
> >
> > This is how we always clean these up though, buuut to be fair that's in mm.
> >
>
> Well, okay, I'll make all the other functions jealous and blame it on you!
> :P

;)

>
> --
> Cheers
>
> David / dhildenb
>