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b=MjjtP+WgfE5GEh5og6G/4fIGfTCh1bclvAyRwRRt5skB8bSmrj9oYI0QZIeu3YvXn IEjwxa1l1zHfth/ym+1VIqVq1GAdG6xy3TFSrjAW4Nb5fQQDpoiL5MU22U8PCkerv9 6Ahh6qyqK8IdSrJ5k9+HyG7u2TJJ1MrmVvmceN1I= Date: Thu, 11 Dec 2025 12:41:24 -0800 From: Andrew Morton To: Ryan Roberts Cc: "Vishal Moola (Oracle)" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Uladzislau Rezki Subject: Re: [PATCH] mm/vmalloc: request large order pages from buddy allocator Message-Id: <20251211124124.a0a6786e6ceaede178cc8b30@linux-foundation.org> In-Reply-To: References: <20251021194455.33351-2-vishal.moola@gmail.com> <66919a28-bc81-49c9-b68f-dd7c73395a0d@arm.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 54A8AC000C X-Stat-Signature: sayf1eqcmrnxqef73yfssg4e65gg74cd X-Rspam-User: X-HE-Tag: 1765485686-405673 X-HE-Meta: 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 5/rFOpXP rzgJstfBfLwmdq7lCbCg1KcIp2iwwneSnYbxRS+ncfFUR6j72TENdxfPKjhFGGPD+Aw5zmShPOy+QD6h91A4UHMNtC/wSuXOVdbW2P4Ej/9PM/rNDBZVswO+eKtwRuadwcIRSPYRraaRW6sp0W13PDueQzRO5c4G0/yICtyUSFK4Yn4UAx6filRGami0aPs6omINFC2XQHkmH4ecNo/zNhefkNH5TeUPdYasisBlDc16NLN6QNn8qiKF2tNmIP3RJwys/IYKGWjgFxxUnmS7zCB8IVQrqM2/H43QbxvOqKVR0aLq+BKkD9GT4MBZT/Ybw9R99dDLG1iUwNxxfrQIOH68uuOLQj3U8jhGTrZ4h4Bwe5V9jTizUbfYiEMOhaIXt3T42OV565fv0wA/2NY1gdtSFQg== 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: On Thu, 11 Dec 2025 15:28:56 +0000 Ryan Roberts wrote: > We are seeing a bunch of other regressions in higher level benchmarks too; but > haven't yet concluded what's causing those. I'll report back if this patch looks > connected. Pretty please, would it be possible to do this testing *before* everything hits mainline? : From: "Vishal Moola (Oracle)" : Subject: mm/vmalloc: request large order pages from buddy allocator : Date: Tue, 21 Oct 2025 12:44:56 -0700 Thanks.