Messages in this thread |  | | | Subject | Re: RDMA memory registration | | From | Roland Dreier <> | | Date | Fri, 29 Apr 2005 12:45:38 -0700 |
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Bill> Are you suggesting making the partial pages their own VMA, Bill> or marking the entire buffer with this flag? I originally Bill> thought the entire buffer should be copy on fork (instead of Bill> copy on write), and I believe this is the path Mellanox was Bill> pursing with the VM_NO_COW flag. However, if applications Bill> are registering gigs of ram, it would be very bad to have Bill> the entire area copied on fork.
It's up to userspace really but I would expect that the partial pages would be in a vma by themselves.
- R.
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