Messages in this thread | | | Date | Fri, 9 Jul 2021 10:49:45 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH 3/3] mm, memcg: inline swap-related functions to improve disabled memcg config |
| |
On Thu, Jul 08, 2021 at 05:05:09PM -0700, Suren Baghdasaryan wrote: > Inline mem_cgroup_try_charge_swap, mem_cgroup_uncharge_swap and > cgroup_throttle_swaprate 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 ~1% overhead reduction when running PFT test > comparing {CONFIG_MEMCG=n} against {CONFIG_MEMCG=y, cgroup_disable=memory} > configuration on an 8-core ARM64 Android device. > > Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Looks reasonable to me as well.
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
| |