On Fri, 2007-06-08 at 12:10 +0100, Alan Cox wrote:
> > e. mremap() flag to get a read/write mapping of a read/exec one
> > f. mremap() flag to get a read/exec mapping of a read/write one
> > g. mremap() flag to make the 5th arg (new addr) be the upper limit
>
> This is all mprotect and munmap.
I think he's asking for a way to copy an existing mapping, which does
sound genuinely useful. (i.e. mremap(ptr, size, size, MREMAP_COPY), with
no need to mess with files to get multiple mappings of the same region)
--
Nicholas Miell <[email protected]>
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