Re: RDMA memory registration
From: Roland Dreier
Date: Fri Apr 29 2005 - 14:48:32 EST
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.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/