shmmax shows different value from ipcs -lm

Solution Verified - Updated -

Issue

kernel.shmmax shows different value from ipcs -lm output

[root@localhost ~]# sysctl  -a |grep shm
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
kernel.shmmni = 4096
kernel.shm_rmid_forced = 0
vm.hugetlb_shm_group = 0
[root@localhost ~]# ipcs -lm

------ Shared Memory Limits --------
max number of segments = 4096
max seg size (kbytes) = 67108864
max total shared memory (kbytes) = 17179869184
min seg size (bytes) = 1

Environment

  • Red Hat Enterprise Linux

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