linux-kernel - Re: [RFC PATCH 06/11] shmem: trace shmem_add_to_page

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Message-ID: <ZT7nZqMylFYEqpg/@casper.infradead.org>
Date:   Sun, 29 Oct 2023 23:14:46 +0000
From:   Matthew Wilcox <willy@...radead.org>
To:     Daniel Gomez <da.gomez@...sung.com>
Cc:     "minchan@...nel.org" <minchan@...nel.org>,
        "senozhatsky@...omium.org" <senozhatsky@...omium.org>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "djwong@...nel.org" <djwong@...nel.org>,
        "hughd@...gle.com" <hughd@...gle.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "mcgrof@...nel.org" <mcgrof@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "linux-xfs@...r.kernel.org" <linux-xfs@...r.kernel.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "gost.dev@...sung.com" <gost.dev@...sung.com>,
        Pankaj Raghav <p.raghav@...sung.com>
Subject: Re: [RFC PATCH 06/11] shmem: trace shmem_add_to_page_cache folio
 order

On Sat, Oct 28, 2023 at 09:15:44PM +0000, Daniel Gomez wrote:
> To be able to trace and account for order of the folio.
> 
> Based on include/trace/filemap.h.

Why is this better than using trace_mm_filemap_add_to_page_cache()?
It's basically the same thing.