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bugzilla-daemon@kernel.org, Baoquan He , Nhat Pham , Yosry Ahmed , linux-mm@kvack.org Message-ID: In-Reply-To: References: <20260206121151.dea3633d1f0ded7bbf49c22e@linux-foundation.org> Subject: Re: [Bug 221055] New: Hibernate image write 10x slower since commit 0ff67f990bd4 ("mm, swap: remove swap slot cache") MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Correlation-ID: X-Provags-ID: V03:K1:YZOduHGOyMmEejUvp+WDB5xV/xhme++FDFZydt9+cdTXJ1kokVn yRuI+cPB/A4GoK2Rk9n3vr6S+7emHixcCCh/8jaWHtwsm1tbpTjwhgLuIJjkAiPHZvtxf/H VkpJzejvICBzSuZZgVILgf8gbJ/6VaJi0taAdwxyjl6pdzp+BrhkNYyycQfL8zFKJDiZZZK EgEE74HPCqCBYCSfxIVdg== UI-OutboundReport: notjunk:1;M01:P0:vU5HZiyRaho=;kVXuCQT6Gv92rT/0oxFzox4Ujil S9oYRFJfKkRFCIRQ1oPLHvsVC73irYc1LgqOYo+IWp0tlgv4MzEnCdBdSzzqunczb0HRyQbXY ZWfSf8KLE1VTgSZQC56XLK5/sfxerna0hEspewNk9nNmrRPwrBhKP7MR59UIJWTasDwwlQEqj 6mVA4NdzYCN9RszFQig7pcBm9ktVdAsl+3+DWWrM77mDfbVJ/sDhcXAR9CNw/MVe7c7ZRY/hv 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I'll also try some other SSD later > maybe that's only reproducible with SSD that have very poor 4K=20 > performance. I'll try out your patch over the weekend. > HDD should not be affected because the allocator has a special > way to do HDD allocation. I can connect an older hard drive to my PC and test this as well. Should= =20 I do that? If it's not necessary, then I can save myself the effort.