- After setting kernel parameter
SHMMAXto a value larger than 4GB on a 32-bit Red Hat Enterprise Linux system, this value appears to be reset to 0.
For example, to check the value of
# cat /proc/sys/kernel/shmmax 4294967295
- This is the default value of
Then set a new value to
SHMMAX, one byte higher:
# echo 4294967296 > /proc/sys/kernel/shmmax
- Check the value and find that it is 0:
# cat /proc/sys/kernel/shmmax 0
- Red Hat Enterprise Linux, all 32-bit versoins
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