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X-Proofpoint-GUID: qdWNwfldvCD96T_22_Lgaw8WGCQU0ETb X-Proofpoint-ORIG-GUID: qdWNwfldvCD96T_22_Lgaw8WGCQU0ETb X-Spam-Status: No, score=-5.9 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,T_SCC_BODY_TEXT_LINE 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: >> Created tunable glibc.pthread.stack_hugetlb to control when hugepages >> can be used for stack allocation. >> In case THP are enabled and glibc.pthread.stack_hugetlb is set to >> 0, glibc will madvise the kernel not to use allow hugepages for stack >> allocations. > > Is this for the benefit of OpenJDK (among other things)? Yes, it is actually. ;-) > > In this case, we should expose this in a pthread_attr_t interface as > well, so that OpenJDK can activate this easily for the required threads. > This can be done in a follow-up patch. Totally aggree. Our initial concern in proposing such change was to avoid big API discussions when we were not sure if there was other simpler solution to the problem. I will work on such patches shortly if you think it is a good idea. Thanks, Cupertino