Re: [PATCH v1] docs/mm: extend ksm doc

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Bagas Sanjaya <bagasdotme@xxxxxxxxx> writes:

> [[PGP Signed Part:Undecided]]
> On Tue, Mar 14, 2023 at 01:45:57PM -0700, Stefan Roesch wrote:
>> +to cancel that advice and restore unshared pages: whereupon KSM
>> +unmerges whatever is merged for that process.  Note: this unmerging call
>> +may suddenly require more memory than is available - possibly failing
>> +with EAGAIN, but more probably arousing the Out-Of-Memory killer.
>

This follows the wording in the previous paragraph, do you also want to
change the previous paragraph?

> "... to disable KSM and let it unmerges ... . Note that this unmerging
> call may exhaust memory and triggers OOM killer."
>
>> +However, if the system is dedicated to running multiple jobs within the
>> +same security domain, there is a usecase where multiple instances of the
>> +same job are running inside a safe shared security domain and using the
>> +same sensitive data.
>
> "... it is possible for multiple instances ... and share the same
> sensitive data."
>

Something like this?

>> +However, if the system is dedicated to running multiple jobs within the
>> +same security domain, there is a usecase where multiple instances of the
>> +same job are running inside a safe shared security domain and share the
>> +same sensitive data.
>

The is possible I think is less clear.

 Thanks.




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