Re: [PATCH 1/3] mm: Add folio_zero_tail() and use it in ext4

Andreas Grünbacher
2023-11-09T00:12:30Z

Andrew,

Andrew Morton <akpm@linux-foundation.org> schrieb am Do., 9. Nov. 2023, 00:06:
> > +
> > + if (folio_test_highmem(folio)) {
> > + size_t max = PAGE_SIZE - offset_in_page(offset);
> > +
> > + while (len > max) {
>
> Shouldn't this be `while (len)'? AFAICT this code can fail to clear
> the final page.

not sure what you're seeing there, but this looks fine to me.

Thanks,
Andreas