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Tue, 21 Sep 2021 12:33:21 +0000 (UTC) Date: Tue, 21 Sep 2021 13:33:19 +0100 From: Mel Gorman To: Geert Uytterhoeven Cc: Matt Fleming , Peter Zijlstra , Ingo Molnar , Juri Lelli , Vincent Guittot , Andrew Morton , Vlastimil Babka , Yoshinori Sato , Rich Felker , Gon Solo , linux-mm@kvack.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] mm: Move fold_vm_numa_events() to fix NUMA without SMP Message-ID: <20210921123319.GF3891@suse.de> References: <9d16ccdd9ef32803d7100c84f737de6a749314fb.1631781495.git.geert+renesas@glider.be> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <9d16ccdd9ef32803d7100c84f737de6a749314fb.1631781495.git.geert+renesas@glider.be> User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 5F07850000A8 Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=pVdylClF; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=AMwbQlAg; dmarc=pass (policy=none) header.from=suse.de; spf=pass (imf04.hostedemail.com: domain of mgorman@suse.de designates 195.135.220.29 as permitted sender) smtp.mailfrom=mgorman@suse.de X-Stat-Signature: rtsb438mdpww6x3m7fu1gsh81m3f6ita X-HE-Tag: 1632227603-620725 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Sep 16, 2021 at 10:42:43AM +0200, Geert Uytterhoeven wrote: > If CONFIG_NUMA=y, but CONFIG_SMP=n (e.g. sh/migor_defconfig): > > sh4-linux-gnu-ld: mm/vmstat.o: in function `vmstat_start': > vmstat.c:(.text+0x97c): undefined reference to `fold_vm_numa_events' > sh4-linux-gnu-ld: drivers/base/node.o: in function `node_read_vmstat': > node.c:(.text+0x140): undefined reference to `fold_vm_numa_events' > sh4-linux-gnu-ld: drivers/base/node.o: in function `node_read_numastat': > node.c:(.text+0x1d0): undefined reference to `fold_vm_numa_events' > > Fix this by moving fold_vm_numa_events() outside the SMP-only section. > > Fixes: f19298b9516c1a03 ("mm/vmstat: convert NUMA statistics to basic NUMA counters") > Signed-off-by: Geert Uytterhoeven Acked-by: Mel Gorman -- Mel Gorman SUSE Labs