From: Johannes Weiner <hannes@cmpxchg.org>
To: Roman Gushchin <guro@fb.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Shakeel Butt <shakeelb@google.com>,
Michal Hocko <mhocko@kernel.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
kernel-team@fb.com
Subject: Re: [PATCH v4 1/4] mm: memcontrol: use helpers to access page's memcg data
Date: Thu, 1 Oct 2020 09:46:38 -0400 [thread overview]
Message-ID: <20201001134638.GE469663@cmpxchg.org> (raw)
In-Reply-To: <20201001002710.748166-2-guro@fb.com>
On Wed, Sep 30, 2020 at 05:27:07PM -0700, Roman Gushchin wrote:
> +/*
> + * set_page_memcg - associate a page with a memory cgroup
> + * @page: a pointer to the page struct
> + * @memcg: a pointer to the memory cgroup
> + *
> + * Associates a page with a memory cgroup.
> + */
> +static inline void set_page_memcg(struct page *page, struct mem_cgroup *memcg)
> +{
> + VM_BUG_ON_PAGE(PageSlab(page), page);
> +
> + /*
> + * Please, refer to page_memcg()'s description for the page and memcg
> + * binding stability requirements.
> + */
> + page->memcg_data = (unsigned long)memcg;
> +}
Please delete and inline this as per previous feedback, thanks.
next prev parent reply other threads:[~2020-10-01 13:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-01 0:27 [PATCH v4 0/4] mm: allow mapping accounted kernel pages to userspace Roman Gushchin
2020-10-01 0:27 ` [PATCH v4 1/4] mm: memcontrol: use helpers to access page's memcg data Roman Gushchin
2020-10-01 13:46 ` Johannes Weiner [this message]
2020-10-01 18:27 ` Roman Gushchin
2020-10-01 18:59 ` Johannes Weiner
2020-10-01 20:51 ` Roman Gushchin
2020-10-02 14:22 ` Johannes Weiner
2020-10-01 0:27 ` [PATCH v4 2/4] mm: memcontrol/slab: use helpers to access slab page's memcg_data Roman Gushchin
2020-10-01 0:27 ` [PATCH v4 3/4] mm: introduce page memcg flags Roman Gushchin
2020-10-01 13:44 ` Johannes Weiner
2020-10-01 0:27 ` [PATCH v4 4/4] mm: convert page kmemcg type to a page memcg flag Roman Gushchin
2020-10-01 13:48 ` Johannes Weiner
2020-10-01 17:00 ` Michal Koutný
2020-10-01 17:27 ` Johannes Weiner
2020-10-02 10:03 ` Michal Koutný
2020-10-02 13:25 ` Johannes Weiner
2020-10-01 18:30 ` Roman Gushchin
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