On Tue 2021-06-22 18:50 -0400, Rafael Aquini wrote: > Like in other range zapping routines that iterate over > a large list, lets just add cond_resched() within __vunmap()'s > page-releasing loop in order to avoid the watchdog splats. > > Signed-off-by: Rafael Aquini <aquini@xxxxxxxxxx> > --- > mm/vmalloc.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/mm/vmalloc.c b/mm/vmalloc.c > index a13ac524f6ff..cd4b23d65748 100644 > --- a/mm/vmalloc.c > +++ b/mm/vmalloc.c > @@ -2564,6 +2564,7 @@ static void __vunmap(const void *addr, int deallocate_pages) > > BUG_ON(!page); > __free_pages(page, page_order); > + cond_resched(); > } > atomic_long_sub(area->nr_pages, &nr_vmalloc_pages); > > -- > 2.26.3 > Good catch. Reviewed-by: Aaron Tomlin <atomlin@xxxxxxxxxx> -- Aaron Tomlin
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