On Mon, Dec 26, 2011 at 02:02:09PM -0500, Boris Kochergin wrote: > Hi. > > Is there a way, from userspace, to get the amount of memory a given > process currently has swapped out? The VM does not track memory 'per process'. Simplifying to the point where the statement becomes false, it assigns the memory pages to the vm objects, and allows to map objects into process address space.
Pageout works on the page by page basis, regardless of the page ownership (for the normal pages, using some definition of normal). Since one page can and often is mapped into several address spaces, accounting on the per-process is meaningless or causes the stress of the imagination of somebody who defines the accounting policy.
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