Thanks a lot for your responses Aleix, Anupam and Valdis.
--
Thanks and Regards,
Sumit
On Sat, 18 Jan 2020 at 20:40, Valdis Klētnieks <valdis.kletnieks@xxxxxx> wrote:
On Wed, 15 Jan 2020 18:23:05 +0530, Anupam Kapoor said:
> On Wed, 15 Jan 2020 at 6:02 PM Sumit Kumar <sumit686215@xxxxxxxxx> wrote:
> > Does C/C++ provide any API / system call that enables user to force the
> > application to transfer some its physical pages to swap disk ? If so, is it
> > also possible to obtain the least used page using some API ?
> would madvise not serve your needs ?
There's this word "force" in the question.
The problem is that madvise() is *advice* to the kernel, not a strict
guarantee. There's a difference between "If you need to move pages
to disk, consider these pages first" and "Move them to disk now, whether
you really wanted to or not".
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