madvise on file pages

From: Muthian S (muthian_s@hotmail.com)
Date: Thu Jul 31 2003 - 16:59:39 EST


Hi,

Could someone inform as to what is the behavior when madvise DONTNEED is
called on pages that are mmap'd from local files mapped with MAP_SHARED,
i.e. they share the same page that the file cache does. In such cases, can
madvise be made to release specific pages in the file cache by mmap-ing the
relevant file segment ?

thanks,
Muthian.

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