linux-kernel - Re: [PATCH v2] tracing: add ACCOUNT flag for allocations from marked slab caches

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Message-ID: <YoOlK2r0v6VF8R7X@casper.infradead.org>
Date:   Tue, 17 May 2022 14:37:47 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     YoMccU66auLAPEHa@...per.infradead.org
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Shakeel Butt <shakeelb@...gle.com>,
        Roman Gushchin <roman.gushchin@...ux.dev>,
        Vlastimil Babka <vbabka@...e.cz>, kernel@...nvz.org,
        linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        David Rientjes <rientjes@...gle.com>,
        Pekka Enberg <penberg@...nel.org>,
        Christoph Lameter <cl@...ux.com>,
        Michal Hocko <mhocko@...e.com>
Subject: Re: [PATCH v2] tracing: add ACCOUNT flag for allocations from marked
 slab caches

On Tue, May 17, 2022 at 12:44:14PM +0300, Vasily Averin wrote:
>  2) rework kmem_cache_alloc* tracepoints to use cachep instead
>     of current cachep->*size parameters. Now kmalloc[_node] and
>     kmem_cache_alloc[_node] tracepoints do not use common template

You can keep the common template.  Just pass in s->object_size as well
as s.