Re: [PATCH v2 2/2] convert: Stream from fd to required clean filter instead of mmap

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Steffen Prohaska <prohaska@xxxxxx> writes:

> On Aug 16, 2014, at 7:00 PM, Andreas Schwab <schwab@xxxxxxxxxxxxxx> wrote:
>
>> Steffen Prohaska <prohaska@xxxxxx> writes:
>> 
>>> The test should confirm that the the file that is added is not mmapped to
>>> memory.
>> 
>> RSS doesn't tell you that.  You can mmap a big file without RSS getting
>> bigger.
>
> All data are accessed after mapping, so RSS should be fine.

RSS can shink any time when memory is tight.

> The test always did what I expected.

Not a sufficient condition.

Andreas.

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