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X-Proofpoint-GUID: RV8fIpau31u_GPZO9tTV80KqLuHrn3ZM X-Proofpoint-ORIG-GUID: RV8fIpau31u_GPZO9tTV80KqLuHrn3ZM X-Spam-Status: No, score=-6.0 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Cristian Rodr=C3=ADguez writes: > On Wed, Mar 8, 2023 at 11:17=E2=80=AFAM Cupertino Miranda via Libc-alpha > wrote: >> >> >> Hi everyone, > >> In any case, I wonder if there is an actual use case where an hugepage w= ould >> survive glibc stack allocation and will bring an actual benefit. >> >> Looking forward for your comments. > > I think you could just post a patch to disable hugepages for this allocat= ion. > Are you sure this is the only case though ? There are probably several > cases where using hugepages is non-optimal. No, pthread_create itself might not be the only case. I am considering to make that change in allocate_stack code, which would also fix it for the main thread stack alloction. If you are asking about other types of memory allocations, I do not know.