On Tue, Apr 22, 2008 at 01:30:53PM -0700, Christoph Lameter wrote:
One solution would be to separate the invalidate_page() callout into a
patch at the very end that can be omitted. AFACIT There is no compelling
reason to have this callback and it complicates the API for the device
driver
Hello,
This is the latest and greatest version of the mmu notifier patch #v13.
Changes are mainly in the mm_lock that uses sort() suggested by Christoph.
This reduces the complexity from O(N**2) to O(N*log(N)).
I folded the mm_lock functionality together with the mmu-notifier-core 1/12
patch to
I believe the differences between your patch set and Christoph's need
to be understood and a compromise approach agreed upon.
Those differences, as I understand them, are:
1) invalidate_page: You retain an invalidate_page() callout. I believe
we have progressed that discussion to the point
On Tue, Apr 22, 2008 at 01:22:13PM -0500, Robin Holt wrote:
1) invalidate_page: You retain an invalidate_page() callout. I believe
we have progressed that discussion to the point that it requires some
direction for Andrew, Linus, or somebody in authority. The basics
of the difference
On Tue, Apr 22, 2008 at 08:43:35PM +0200, Andrea Arcangeli wrote:
On Tue, Apr 22, 2008 at 01:22:13PM -0500, Robin Holt wrote:
1) invalidate_page: You retain an invalidate_page() callout. I believe
we have progressed that discussion to the point that it requires some
direction for Andrew,
On Tue, 22 Apr 2008, Andrea Arcangeli wrote:
My patch order and API backward compatible extension over the patchset
is done to allow 2.6.26 to fully support KVM/GRU and 2.6.27 to support
XPMEM as well. KVM/GRU won't notice any difference once the support
for XPMEM is added, but even if the
On Tue, 22 Apr 2008, Robin Holt wrote:
putting it back into your patch/agreeing to it remaining in Andrea's
patch? If not, I think we can put this issue aside until Andrew gets
out of the merge window and can decide it. Either way, the patches
become much more similar with this in.
One
On Tue, Apr 22, 2008 at 03:51:16PM +0200, Andrea Arcangeli wrote:
Hello,
This is the latest and greatest version of the mmu notifier patch #v13.
FWIW, I have updated the GRU driver to use this patch (plus the fixeups).
No problems. AFAICT, everything works.
--- jack