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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- References:
- Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation
- From: Andrew Morton <[email protected]>
- Re: [openib-general] Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation
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- Re: [openib-general] Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation
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- Re: [openib-general] Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation
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