From: Herbert Xu <herbert@gondor.apana.org.au>
To: Uladzislau Rezki <urezki@gmail.com>
Cc: Thomas Graf <tgraf@suug.ch>,
oe-lkp@lists.linux.dev, lkp@intel.com,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@suse.com>, Baoquan He <bhe@redhat.com>,
Alexander Potapenko <glider@google.com>,
Andrey Ryabinin <ryabinin.a.a@gmail.com>,
Marco Elver <elver@google.com>, Michal Hocko <mhocko@kernel.org>,
linux-mm@kvack.org
Subject: Re: [linus:master] [mm] c6307674ed: BUG:sleeping_function_called_from_invalid_context_at_mm/vmalloc.c
Date: Thu, 23 Apr 2026 11:34:51 +0800 [thread overview]
Message-ID: <aemTW8yiAe6y1tsQ@gondor.apana.org.au> (raw)
In-Reply-To: <aeiHkG7X_dieMdw5@milan>
On Wed, Apr 22, 2026 at 10:32:16AM +0200, Uladzislau Rezki wrote:
>
> We have added non-sleeping flags for vmalloc() to extend kvmalloc()
> functionality as folk need those.
>
> Another option, would be: always use vfree_atomic() from the kvfree()
> path.
>
> Any thoughts?
Perhaps add a kvfree_atomic that just calls vfree_atomic?
For rhashtable it really makes no difference either way. But it
would eliminate the unsightly call to is_vmalloc_addr in rhashtable.
Thanks,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
prev parent reply other threads:[~2026-04-23 3:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-21 7:45 kernel test robot
2026-04-21 12:36 ` Uladzislau Rezki
2026-04-22 5:32 ` Herbert Xu
2026-04-22 7:17 ` Uladzislau Rezki
2026-04-22 7:59 ` Herbert Xu
2026-04-22 8:18 ` [PATCH] rhashtable: Check for vmalloc in emergency rehash error path Herbert Xu
2026-04-22 8:32 ` [linus:master] [mm] c6307674ed: BUG:sleeping_function_called_from_invalid_context_at_mm/vmalloc.c Uladzislau Rezki
2026-04-23 3:34 ` Herbert Xu [this message]
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