Re: the new VMt

Hugh Dickins
2000-09-27T12:55:52Z

On Wed, 27 Sep 2000, Andrey Savochkin wrote:
>
> It's a waste of resources to reserve memory+swap for the case that every
> running process decides to modify libc code (and, thus, should receive its
> private copy of the pages). A real waste!

A real waste indeed, but a bad example: libc code is mapped read-only,
so nobody would recommend reserving memory+swap for private mods to it.
Of course, a process might choose to mprotect it writable at some time,
that would be when to refuse if overcommitted.

Hugh