Re: Linux2.6 overcommit behaviour

Shridhar Daithankar wrote:
> Hi all,
>
> Following is from Documentation/vm/overcommit-accounting
> -------------
> 2 - (NEW) strict overcommit. The total address space commit
> for the system is not permitted to exceed swap + a
> configurable percentage (default is 50) of physical RAM.
> Depending on the percentage you use, in most situations
> this means a process will not be killed while accessing
> pages but will receive errors on memory allocation as
> appropriate.

It is strange to choose 50% of RAM plus swap (what if your spam is
small). I thought it would be 100% of RAM plus the swap that exceeds RAM
size.

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