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Mon, 17 Nov 2025 23:55:34 -0800 (PST) From: Ritesh Harjani (IBM) To: Misbah Anjum N Cc: linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-next@vger.kernel.org Subject: Re: [REGRESSION] [next-20251117] ppc64le: WARNING in vmalloc_fix_flags with __GFP_ACCOUNT in BPF/seccomp path In-Reply-To: Date: Tue, 18 Nov 2025 13:21:24 +0530 Message-ID: <87bjkz3hj7.ritesh.list@gmail.com> References: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 5ABA81C0011 X-Stat-Signature: 6omoc3gwk33tmyttbf98f787dsmwrnie X-Rspam-User: X-HE-Tag: 1763452536-768217 X-HE-Meta: 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 aMdTxQV/ VlNhKDnEEZ5UoKXPHfR6O0e93bSq6zV9OF1e06x88LamiJcq+6IxbOjcjlbDs7GH3s557pIRKrKPw52tPaWXJoTg1taaZ31eIWeN0JVTcxRxbnqO7DQ38n3zjbneQv7xaQlMP X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Misbah Anjum N writes: > Hi, > > I'm reporting a regression in linux-next that was introduced between > 20251114 and 20251117. > > Regression Info: > - Working: 6.18.0-rc5-next-20251114 > - Broken: 6.18.0-rc6-next-20251117 > > Environment: > - IBM Power11 pSeries (ppc64le) > - Fedora43 Distro > > Issue: > WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x6c/0xa0 > "Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 > (GFP_KERNEL|__GFP_ZERO). Fix your code!" > > Call Trace: > [ 523.921345] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to > gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! > [ 523.921356] WARNING: mm/vmalloc.c:3937 at > vmalloc_fix_flags+0x6c/0xa0, CPU#69: (ostnamed)/6500 This was reported here too - https://lore.kernel.org/all/69158bb1.a70a0220.3124cb.001e.GAE@google.com/ Looks like it should be fixed with v3, which was posted just yesterday... https://lore.kernel.org/all/20251117173530.43293-2-vishal.moola@gmail.com/ So, I guess, latest linux-next should not show this warning on ppc64le either. -ritesh