Editing KSM (kernel same-page merging)
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== How to check efficiency of KSM == <!--T:26--> | == How to check efficiency of KSM == <!--T:26--> | ||
To check if KSM is actually reducing memory usage, issue this command on the HN: | To check if KSM is actually reducing memory usage, issue this command on the HN: | ||
− | [root@HN /]# cat /sys/kernel/mm/ | + | [root@HN /]# cat /sys/kernel/mm/KSM/pages_sharing |
If the value is greater than 0, you're saving memory. Refer to https://www.kernel.org/doc/Documentation/vm/ksm.txt for more details. | If the value is greater than 0, you're saving memory. Refer to https://www.kernel.org/doc/Documentation/vm/ksm.txt for more details. | ||