From: SeongJae Park <sj@kernel.org>
To: Harry Yoo <harry.yoo@oracle.com>
Cc: SeongJae Park <sj@kernel.org>,
Qianfeng Rong <rongqianfeng@vivo.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Will Deacon <will@kernel.org>,
"Aneesh Kumar K.V" <aneesh.kumar@kernel.org>,
Nick Piggin <npiggin@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
David Hildenbrand <david@redhat.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
Rik van Riel <riel@surriel.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>,
Uladzislau Rezki <urezki@gmail.com>,
linux-fsdevel@vger.kernel.org, damon@lists.linux.dev,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-arch@vger.kernel.org
Subject: Re: [PATCH] mm: remove redundant __GFP_NOWARN
Date: Tue, 12 Aug 2025 10:09:33 -0700 [thread overview]
Message-ID: <20250812170933.56674-1-sj@kernel.org> (raw)
In-Reply-To: <aJs9dPMdY_W5uZdc@hyeyoo>
On Tue, 12 Aug 2025 22:11:16 +0900 Harry Yoo <harry.yoo@oracle.com> wrote:
> On Tue, Aug 12, 2025 at 05:57:46PM +0800, Qianfeng Rong wrote:
> > Commit 16f5dfbc851b ("gfp: include __GFP_NOWARN in GFP_NOWAIT") made
> > GFP_NOWAIT implicitly include __GFP_NOWARN.
> >
> > Therefore, explicit __GFP_NOWARN combined with GFP_NOWAIT (e.g.,
> > `GFP_NOWAIT | __GFP_NOWARN`) is now redundant. Let's clean up these
> > redundant flags across subsystems.
> >
> > No functional changes.
> >
> > Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
> > ---
>
> Maybe
>
> .gfp_mask = (GFP_HIGHUSER_MOVABLE & ~__GFP_RECLAIM) |
> __GFP_NOWARN | __GFP_NOMEMALLOC | GFP_NOWAIT,
>
> in mm/damon/paddr.c also can be cleaned up to
>
> .gfp_mask = (GFP_HIGHUSER_MOVABLE & ~__GFP_RECLAIM) |
> | __GFP_NOMEMALLOC | GFP_NOWAIT,
>
> ?
Thank you for catching this, Harry!
FYI, the code has moved into mm/damon/ops-common.c by commit 13dde31db71f
("mm/damon: move migration helpers from paddr to ops-common"). Please feel
free to make the cleanup if anyone willing to.
Thanks,
SJ
[...]
prev parent reply other threads:[~2025-08-12 17:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-12 9:57 Qianfeng Rong
2025-08-12 13:11 ` Harry Yoo
2025-08-12 13:22 ` Qianfeng Rong
2025-08-12 17:09 ` SeongJae Park [this message]
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