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Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.96 #2 (Debian)) id 1wHKEl-0099Ag-20; Mon, 27 Apr 2026 19:34:52 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Mon, 27 Apr 2026 19:34:51 +0800 Date: Mon, 27 Apr 2026 19:34:51 +0800 From: Herbert Xu To: Andrew Morton Cc: Christian Brauner , Thomas Graf , Vlastimil Babka , Lorenzo Stoakes , David Hildenbrand , Suren Baghdasaryan , Michal Hocko , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, syzbot+5af806780f38a5fe691f@syzkaller.appspotmail.com, "Uladzislau Rezki (Sony)" Subject: Re: [PATCH] rhashtable: give each instance its own lockdep class Message-ID: References: <20260427-work-rhashtable-lockdep-v1-1-f69e8bd91cb2@kernel.org> <20260427043149.e8fe46494d92d561175861ca@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260427043149.e8fe46494d92d561175861ca@linux-foundation.org> X-Stat-Signature: uehaekei73a83xedrn59p8a5njyx3w1i X-Rspamd-Queue-Id: B174FC0009 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1777289702-321432 X-HE-Meta: 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 snjGQ3s5 D56By5oWF55Ul+87PN8wOsjtRdM9qzYTt4UEsF+8LW33appyNQ/8/xti9LbQVeYm7lL4v3N89Fq5fhILUkYITRGYfS2RHuGjrVIXVJZRMO7akIMT8CnPSRSEAU098jaKg8qq4huWjoET1MLbPfpEgujc31PwP1dhrLYbPkKsQ2IRZGB3ycfAAPEd+70pwFXvtxGj0LlxqIdUnud3w0D+SZ2+aBoynGl0p3j5GSupKnu+iXCq55op54HG41KFC/c87JHcZRMyMEZRYedYOgL26OmUmCHg32HofK5hPubC0pi21kVoDXOIV9UEvCclRmsEB3MgvTcaQmOqRrpbY8UdShsQoaPx85rSLKB9tfxDzCO/s9kIWH7jOztMMZBpjNTmmI9DmKl/E/XImTMnh9tHDEMT1IyRFj92wt1hAwYEls7G58Er8qTCIey9Vjw== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Apr 27, 2026 at 04:31:49AM -0700, Andrew Morton wrote: > > Is this related to https://lore.kernel.org/202604211323.fac1b29e-lkp@intel.com > > Are we able to identify a Fixes: target? > > In the above-linked thread Herbert had > Fixes: c6307674ed82 ("mm: kvmalloc: add non-blocking support for vmalloc") I think they're two separate issues. The addition of non-blocking support triggered the vfree while atomic issue, while the lockdep splat is simply due to the use of rhashtable in fs/core. Cheers, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt