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SubjectRe: [PATCH v4 0/4] mm/gup: page unpining improvements
On Thu, Feb 18, 2021 at 03:33:39PM +0000, Joao Martins wrote:
> in a bvec at once? e.g. something like from this:
>
> bio_for_each_segment_all(bvec, bio, iter_all) {
> if (mark_dirty && !PageCompound(bvec->bv_page))
> set_page_dirty_lock(bvec->bv_page);
> put_page(bvec->bv_page);
> }
>
> (...) to this instead:
>
> bio_for_each_bvec_all(bvec, bio, i)
> unpin_user_page_range_dirty_lock(bvec->bv_page,
> DIV_ROUND_UP(bvec->bv_len, PAGE_SIZE),
> mark_dirty && !PageCompound(bvec->bv_page));

Yes, like that modulo the fix in your reply and any other fixes.

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