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SubjectRe: [PATCH 1/4] mm: Trial do_wp_page() simplification
On Tue, Sep 15, 2020 at 05:03:49PM +0200, Oleg Nesterov wrote:
> > - if (reuse_swap_page(vmf->page, &total_map_swapcount)) {
> It seems that nobody else calls reuse_swap_page() with total_map_swapcount != NULL.

Seems correct. Though maybe we could postpone the cleanup later, until the
fallouts of the cow rework settle (just in case we'd like to bring some
mapcount logic back). Thanks,

Peter Xu

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