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From: Roman Gushchin To: Andrew Morton Cc: linux-mm@kvack.org, Dave Chinner , linux-kernel@vger.kernel.org, Kent Overstreet , Hillf Danton , Christophe JAILLET , Muchun Song Subject: Re: [PATCH v5 2/6] mm: shrinkers: introduce debugfs interface for memory shrinkers Message-ID: References: <20220601032227.4076670-1-roman.gushchin@linux.dev> <20220601032227.4076670-3-roman.gushchin@linux.dev> <20220601142358.75a6c9c5d4a988bd58667717@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220601142358.75a6c9c5d4a988bd58667717@linux-foundation.org> X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 01, 2022 at 02:23:58PM -0700, Andrew Morton wrote: > On Tue, 31 May 2022 20:22:23 -0700 Roman Gushchin wrote: > > > This commit introduces the /sys/kernel/debug/shrinker debugfs > > interface > > Should it be at the top level? Maybe /sys/kernel/debug/vm/shrinker > would be more future-safe. (or .../mm/...) There are already some top-level mm-related items (slab, zswap, extfrag, etc) and I don't think there will be non-mm shrinkers in the kernel (given that it's a kernel-wide API). But no strong opinion here, if you strongly prefer mm/ or vm/, I'm happy to change it. Thanks!