Messages in this thread | | | Date | Mon, 12 Jul 2021 14:31:27 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH v2 1/1] mm, memcg: inline mem_cgroup_{charge/uncharge} to improve disabled memcg config |
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On Fri, Jul 09, 2021 at 10:15:54AM -0700, Suren Baghdasaryan wrote: > Inline mem_cgroup_{charge/uncharge} and mem_cgroup_uncharge_list functions > functions to perform mem_cgroup_disabled static key check inline before > calling the main body of the function. This minimizes the memcg overhead > in the pagefault and exit_mmap paths when memcgs are disabled using > cgroup_disable=memory command-line option. > This change results in ~0.4% overhead reduction when running PFT test > comparing {CONFIG_MEMCG=n} against {CONFIG_MEMCG=y, cgroup_disable=memory} > configurationon on an 8-core ARM64 Android device. > > Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Thanks!
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