linux-kernel - Re: [PATCH] maple_tree: use GFP_KERNEL on mas_node

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Message-ID: <ZPlIShWJWt+Kxt8x@casper.infradead.org>
Date:   Thu, 7 Sep 2023 04:49:30 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     심재선 <jason.sim@...sung.com>
Cc:     "liam.howlett@...cle.com" <liam.howlett@...cle.com>,
        "surenb@...gle.com" <surenb@...gle.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jaewon31.kim@...il.com" <jaewon31.kim@...il.com>,
        "maple-tree@...ts.infradead.org" <maple-tree@...ts.infradead.org>
Subject: Re: [PATCH] maple_tree: use GFP_KERNEL on mas_node_count

On Thu, Sep 07, 2023 at 12:39:14PM +0900, 심재선 wrote:
> Use GFP_KERNEL on mas_node_count instead of GFP_NOWAIT | __GFP_NOWARN
> in order to allow memory reclaim.

What testing did you do of this patch?  In particular, did you try it
with lockdep enabled?