Bill> On Thu, 14 Nov 2002 12:34:11 -0800, William Lee Irwin III
Bill> said:
William> (3) ->f_op->mmap() will hand -EINVAL back to userspace
William> instead of automatically placing the vma, for explicit and
William> 0 start adresses
Bill> On Thu, Nov 14, 2002 at 01:31:21PM -0800, David Mosberger-Tang
Bill> wrote:
>> This sounds like a receipe for creating unportable programs
>> because the alignment constraints will be different from one
>> platform to another. (Adding gethugepagesize() in libc would
>> alleviate the problem but it wouldn't solve it completely.)
>> Overall, it does sound to me that the hugetlbfs is so specialized
>> that it would be much cleaner to provide a separate interface at
>> the user-level. That would leave more flexibility should the
>> implementation change over time (which it well might). --david
Bill> Okay, that's a serious problem. But it's easy to fix; I'll
Bill> just call the hugepage vma placement functions that are also
Bill> used by the syscalls.
Sounds good to me.
Thanks,
--david
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