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GD6J9qmIXluI7Gey1jXkLHPiU9EOs+O35LdfaOreVFXMIg0u/WlhA1xFme45qw7WKEmTJ0Bh/Rey42mTKjFgxmtxh7u/Rs8gT6uoT3Rhu89u78INY/pmaK4IrhPHs9UDU3kdMwuLb7Fw2Cas1Mx1ufF6yoZOnotidfUN4ws4P0me/WuiQKYTMoaFEUEiwKBFiJMOj2TAfAWoOzm6RCu7iyXhXHG+G1EXPnP2fsIRO3w/hDaWce75Pdgs4Q8fQxfzNIiDRR+gvjNxmqP3YZw/WWOm4hatn6fnMS6gqFF6hzOEz6OqP9CEobmIS4eaAecUAw4gg5QA6V6ViAh6UYx/tF8bwHvHLD7Gm8X5M1DkW9NAp+armxJUz4jOwX7EajmOD+XsPGNPC5g+36ATrnOOnzBCmANRa1xNfaRMmcQpsJYXE42F7vznIdJMkPqUrlA4Kll3ZK061scZuhMr1YEDnUssurUKEfcmeqXuHlGYRf12eou4= 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: * Edgecombe, Rick P [230414 12:27]: > On Fri, 2023-04-14 at 10:57 -0400, Liam R. Howlett wrote:
> > +=A0=A0=A0=A0=A0=A0=A0tmp =3D mas_next(&mas, ULONG_MAX); > > +=A0=A0=A0=A0=A0=A0=A0if (tmp && (tmp->vm_flags & VM_GROWSDOWN)) { >=20 > Why also check VM_GROWSDOWN here (and VM_GROWSUP below)? > vm_start/end_gap() already have checks inside. An artifact of a plan that was later abandoned. >=20 > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0if (vm_start_gap(tmp) < g= ap + length - 1) { > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0l= ow_limit =3D tmp->vm_end; > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0m= as_reset(&mas); > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0g= oto retry; > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0} > > +=A0=A0=A0=A0=A0=A0=A0} else { > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0tmp =3D mas_prev(&mas, 0)= ; > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0if (tmp && (tmp->vm_flags= & VM_GROWSUP) && > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 vm_end_gap(tmp)= > gap) { > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0l= ow_limit =3D vm_end_gap(tmp);=20 > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0m= as_reset(&mas); > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0g= oto retry;=20 > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0} > > +=A0=A0=A0=A0=A0=A0=A0}=20 > > + >=20 > Could it be like this? Yes, I'll make this change. Thanks for the suggestion. >=20 > tmp =3D mas_next(&mas, ULONG_MAX); > if (tmp && vm_start_gap(tmp) < gap + length - 1) { > low_limit =3D tmp->vm_end; > mas_reset(&mas); > goto retry; > } > } else { > tmp =3D mas_prev(&mas, 0); > if (tmp && vm_end_gap(tmp) > gap) { > low_limit =3D vm_end_gap(tmp); > mas_reset(&mas); > goto retry; > } > } >=20