Messages in this thread |  | | Date | Wed, 22 Oct 2014 14:14:03 +0200 | From | Petr Holasek <> | Subject | Re: [RFC][PATCH] add pagesize field to /proc/pid/numa_maps |
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On Mon, 20 Oct 2014, David Rientjes <rientjes@google.com> wrote: > On Tue, 21 Oct 2014, Petr Holasek wrote: > > > There were some similar attempts to add vma's pagesize to numa_maps in the past, > > so I've distilled the most straightforward one - adding pagesize field > > expressing size in kbytes to each line. Although page size can be also obtained > > from smaps file, adding pagesize to numa_maps makes the interface more compact > > and easier to use without need for traversing other files. > > > > New numa_maps output looks like that: > > > > 2aaaaac00000 default file=/dev/hugepages/hugepagefile huge pagesize=2097152 dirty=1 N0=1 > > 7f302441a000 default file=/usr/lib64/libc-2.17.so pagesize=4096 mapped=65 mapmax=38 N0=65 > > > > Signed-off-by: Petr Holasek <pholasek@redhat.com> > > I guess the existing "huge" is insufficient on platforms that support > multiple hugepage sizes.
Why do you think so? pagesize= could also distinguish between multiple hugepage sizes.
-- Petr Holasek pholasek@redhat.com
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