Re: [PATCH 20/75] mm/gup: Convert gup_pte_range() to use a folio

From: Matthew Wilcox
Date: Fri Feb 11 2022 - 15:21:03 EST


On Sun, Feb 06, 2022 at 02:52:46PM +0000, Mark Hemment wrote:
> On Fri, 4 Feb 2022 at 20:21, Matthew Wilcox (Oracle)
> <willy@xxxxxxxxxxxxx> wrote:
> V. Minor/nit: Above the "goto pte_unmap;" is the code block;
> if (flags & FOLL_PIN) {
> ret = arch_make_page_accessible(page);
> if (ret) {
> unpin_user_page(page);
> goto pte_unmap;
> }
> }
> Other conditions which goto pte_unmap, after successful
> try_grab_folio(), call gup_put_folio() (rather than
> unpin_user_page()).
> No change in functionality, but suggest calling gup_put_folio() here
> too for consistency.

Thanks! Changed.