From: Danilo Krummrich <dakr@kernel.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: cl@linux.com, penberg@kernel.org, rientjes@google.com,
iamjoonsoo.kim@lge.com, akpm@linux-foundation.org,
vbabka@suse.cz, roman.gushchin@linux.dev, 42.hyeyoo@gmail.com,
urezki@gmail.com, kees@kernel.org, ojeda@kernel.org,
wedsonaf@gmail.com, mhocko@kernel.org, mpe@ellerman.id.au,
chandan.babu@oracle.com, christian.koenig@amd.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
rust-for-linux@vger.kernel.org
Subject: Re: [PATCH 2/2] mm: kvmalloc: align kvrealloc() with krealloc()
Date: Thu, 18 Jul 2024 13:45:11 +0200 [thread overview]
Message-ID: <ZpkARwEkp70YMVzf@pollux> (raw)
In-Reply-To: <ZpiJvj1_rKodpVSt@infradead.org>
On Wed, Jul 17, 2024 at 08:19:26PM -0700, Christoph Hellwig wrote:
> > +extern void *kvrealloc_noprof(const void *p, size_t size, gfp_t flags) __realloc_size(2);
>
> Please drop the extern while you're at it and move the __realloc_size
> attribute to a separate line.
Will do.
>
> > +static gfp_t to_kmalloc_flags(gfp_t flags, size_t size)
> > +{
> > + if (size > PAGE_SIZE) {
> > + flags |= __GFP_NOWARN;
> > +
> > + if (!(flags & __GFP_RETRY_MAYFAIL))
> > + flags |= __GFP_NORETRY;
> > +
> > + /* nofail semantic is implemented by the vmalloc fallback */
> > + flags &= ~__GFP_NOFAIL;
> > + }
> > +
> > + return flags;
>
> The name for this function sounds a bit odd. Maybe kmalloc_gfp_adjust
> instead? Also the comment explaining these flags tweaks should move
> from the caller to this function.
kmalloc_gfp_adjust() sounds good to me. I will rename it and move the comment
up.
prev parent reply other threads:[~2024-07-18 11:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-17 22:24 [PATCH 0/2] Align kvrealloc() with krealloc() Danilo Krummrich
2024-07-17 22:24 ` [PATCH 1/2] mm: vmalloc: implement vrealloc() Danilo Krummrich
2024-07-18 3:16 ` Christoph Hellwig
2024-07-18 11:43 ` Danilo Krummrich
2024-07-23 11:28 ` Uladzislau Rezki
2024-07-23 13:44 ` Christoph Hellwig
2024-07-23 15:54 ` Uladzislau Rezki
2024-07-17 22:24 ` [PATCH 2/2] mm: kvmalloc: align kvrealloc() with krealloc() Danilo Krummrich
2024-07-18 3:19 ` Christoph Hellwig
2024-07-18 11:45 ` Danilo Krummrich [this message]
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