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e36215431c
Make thuge-gen skip instead of fail when it can't run due to system settings. If shmmax is too small or no 1G huge pages are available, the test now prints a warning and is marked as skipped. ------------------- Before Patch: ------------------- ~ running ./thuge-gen ~ Bail out! Please do echo 262144 > /proc/sys/kernel/shmmax ~ Totals: pass:0 fail:0 xfail:0 xpass:0 skip:0 error:0 ~ [FAIL] not ok 28 thuge-gen ~ exit=1 ------------------- After Patch: ------------------- ~ running ./thuge-gen ~ ~ WARNING: shmmax is too small to run this test. ~ ~ Please run the following command to increase shmmax: ~ ~ echo 262144 > /proc/sys/kernel/shmmax ~ 1..0 ~ SKIP Test skipped due to insufficient shmmax value. ~ [SKIP] ok 29 thuge-gen ~ SKIP Link: https://lkml.kernel.org/r/20250816040113.760010-7-aboorvad@linux.ibm.com Co-developed-by: Donet Tom <donettom@linux.ibm.com> Signed-off-by: Donet Tom <donettom@linux.ibm.com> Signed-off-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Reviewed-by: Dev Jain <dev.jain@arm.com> Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Reviewed-by: Wei Yang <richard.weiyang@gmail.com> Cc: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: Barry Song <baohua@kernel.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Mariano Pache <npache@redhat.com> Cc: "Ritesh Harjani (IBM)" <ritesh.list@gmail.com> Cc: Ryan Roberts <ryan.roberts@arm.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>