Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH]: Adding a counter in vma to indicate the number of physical pages backing it | Date | Mon, 12 Jun 2006 13:17:44 +0200 |
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On Sunday 11 June 2006 18:09, Arjan van de Ven wrote: > On Fri, 2006-06-09 at 18:33 -0700, Rohit Seth wrote: > > Below is a patch that adds number of physical pages that each vma is > > using in a process. Exporting this information to user space > > using /proc/<pid>/maps interface. > > is it really worth bloating the vma struct for this? there are quite a > few workloads that have a gazilion vma's, and this patch adds both > memory usage and cache pressure to those workloads...
I agree it's a bad idea. smaps is only a debugging kludge anyways and it's not a good idea to we bloat core data structures for it.
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