On Mon, Apr 13, 2009 at 10:19:08PM +0300, Yossi Etigin wrote:
I see. That surprises me... could you also print vma-vm_start and
vma-vm_end? I would have expected the vma to be streched to fill a
full huge page and return the number of regular pages fitting in it.
Eli Cohen wrote:
On Mon, Apr
Eli Cohen wrote:
On Mon, Apr 06, 2009 at 08:49:43PM +0300, Yossi Etigin wrote:
I don't understand - if all area is huge pages, it does not mean that
it fills full huge pages - I can have just 4096 bytes in huge page memory
and umem-hugetlb will remain 1, right?
You may call ib_umem_get()
On Mon, Apr 06, 2009 at 08:49:43PM +0300, Yossi Etigin wrote:
I don't understand - if all area is huge pages, it does not mean that
it fills full huge pages - I can have just 4096 bytes in huge page memory
and umem-hugetlb will remain 1, right?
You may call ib_umem_get() with a fraction of
On Thu, Apr 02, 2009 at 11:31:42PM +0300, Yossi Etigin wrote:
Hi Eli,
I've placed a printk in the new hugetlb function to print n and j.
While running the mckey test (attached in bugzilla), I got j=0, n=1.
Why do you say that the number of pages must cover HUGE_PAGES?
In ib_umem_get,
Eli Cohen wrote:
You mention in Bugzilla an mckey test but I don't know this test. Can you
send how to obatain the test and instructions how to build it and run it?
Eli,
mckey is installed with librdmac-utils, has man page, etc. Its source is
under the examples directory of the librdmacm
On Thu, Apr 02, 2009 at 11:47:26AM +0300, Or Gerlitz wrote:
mckey is installed with librdmac-utils, has man page, etc. Its source is
under the examples directory of the librdmacm src tree, you can clone
Sean's librdmacm git from ofa to get it - OK?
Thanks Or. I will check this.
Hi Eli,
I've placed a printk in the new hugetlb function to print n and j.
While running the mckey test (attached in bugzilla), I got j=0, n=1.
Why do you say that the number of pages must cover HUGE_PAGES?
In ib_umem_get, hugetlb is set to 0 only if any of the pages is
not-hugetlb - otherwise
Vlad,
Can you please replase mlx4_1070-optimize-huge_tlb.patch
with Yossi's patch. It fixes Eli's patch.
Thanks
Olga
-- Forwarded message --
From: Yossi Etigin yos...@voltaire.com
Date: Mon, Mar 30, 2009 at 6:49 PM
Subject: [ewg] Re: [PATCH v3] mlx4_ib: Optimize hugetlab pages
Olga Shern (Voltaire) wrote:
Vlad,
Can you please replase mlx4_1070-optimize-huge_tlb.patch
with Yossi's patch. It fixes Eli's patch.
Thanks
Olga
Done,
Regards,
Vladimir
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Eli Cohen wrote:
Since Linux may not merge adjacent pages into a single scatter entry through
calls to dma_map_sg(), we check the special case of hugetlb pages which are
likely to be mapped to coniguous dma addresses and if they are, take advantage
of this. This will result in a significantly
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