Messages in this thread | | | Date | Mon, 24 Nov 2014 23:05:02 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: add parameter to disable faultaround |
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On Tue, 25 Nov 2014 15:51:58 +0900 Chanho Min <chanho.min@lge.com> wrote:
> The faultaround improves the file read performance, whereas pages which > can be dropped by drop_caches are reduced. On some systems, The amount of > freeable pages under memory pressure is more important than read > performance.
The faultaround pages *are* freeable. Perhaps you meant "free" here.
Please tell us a great deal about the problem which you are trying to solve. What sort of system, what sort of workload, what is bad about the behaviour which you are observing, etc.
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