Re: [RFC PATCH v5 1/4] mm: add page_counter_margin()
"David Hildenbrand (Arm)" <[email protected]> Thu, 6 Aug 2026 15:51:49 +0200
| Newsgroups | org.kernel.vger.cgroups,org.kernel.vger.linux-kernel,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
On 7/30/26 14:23, Xueyuan Chen wrote: > From: Johannes Weiner <[email protected]> > > mem_cgroup_get_nr_swap_pages() open-codes the remaining capacity across > the memcg swap counter hierarchy. > > Add page_counter_margin() to return the minimum usable space from a page > counter to the root, and use it in mem_cgroup_get_nr_swap_pages(). This > is a pure refactoring with no intended behavior change. > > Signed-off-by: Johannes Weiner <[email protected]> > Signed-off-by: Xueyuan Chen <[email protected]> > --- Reviewed-by: David Hildenbrand (Arm) <[email protected]> -- Cheers, David