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Tue, 8 Jun 2021 05:43:40 -0400 Received: from imap.suse.de (imap-alt.suse-dmz.suse.de [192.168.254.47]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 1C572219C0; Tue, 8 Jun 2021 09:41:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1623145307; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HRJmshlKzh06hRuJq6zblAZqJa6EKi5x5hSc419U1NA=; b=2o8p8DznDE8mXnw4gkvTJmmxmIHrK6X0jtY8nCyAN1rR8KzdYeCq4LoBb02Q8xtfkvXrRr f6iAE094/uu1vg2MEWoEZib5g36tkeblVoIDsUSF0QUIihLWytgQedO1ebF7ZF2s6cDpKd t5k4cYHCJQs52+12z6ySLpAWooUNugs= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1623145307; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; 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bh=HRJmshlKzh06hRuJq6zblAZqJa6EKi5x5hSc419U1NA=; b=CN1/zWOKjD3oT5SA8p3wGOzPUI8lBXPxUPYYhOD6GZgzdijPkZ/0MeQgohLEtasG4tmuLo m80/hTBReMdxX2Bg== Received: from director2.suse.de ([192.168.254.72]) by imap3-int with ESMTPSA id dfwOOVo7v2CbZQAALh3uQQ (envelope-from ); Tue, 08 Jun 2021 09:41:46 +0000 Subject: Re: [PATCH v11] mm: slub: move sysfs slab alloc/free interfaces to debugfs To: Faiyaz Mohammed , cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, greg@kroah.com, glittao@gmail.com, andy.shevchenko@gmail.com Cc: vinmenon@codeaurora.org References: <1623141934-7699-1-git-send-email-faiyazm@codeaurora.org> From: Vlastimil Babka Message-ID: Date: Tue, 8 Jun 2021 11:41:46 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 In-Reply-To: <1623141934-7699-1-git-send-email-faiyazm@codeaurora.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/8/21 10:45 AM, Faiyaz Mohammed wrote: > alloc_calls and free_calls implementation in sysfs have two issues, > one is PAGE_SIZE limitation of sysfs and other is it does not adhere > to "one value per file" rule. > > To overcome this issues, move the alloc_calls and free_calls > implementation to debugfs. > > Debugfs cache will be created if SLAB_STORE_USER flag is set. > > Rename the alloc_calls/free_calls to alloc_traces/free_traces, > to be inline with what it does. > > Signed-off-by: Faiyaz Mohammed Reviewed-by: Vlastimil Babka Thanks!