Messages in this thread | | | Date | Sat, 13 May 2006 15:54:43 -0700 | From | Valerie Henson <> | Subject | Re: [patch 00/14] remap_file_pages protection support |
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On Sat, May 13, 2006 at 11:19:46AM -0700, Valerie Henson wrote: > The original program mmapped everything with the same permissions and > no alignment restrictions, so all the mmaps were coalesced into one. > This version alternates PROT_WRITE permissions on the mmap'd areas > after they are written, so you get lots of vma's:
... Which is of course exactly the case that Blaisorblade's patches should coalesce into one vma. So I wrote another option which uses holes instead - takes more memory initially, unfortunately. Grab it from:
http://www.nmt.edu/~val/patches/ebizzy.tar.gz
-p for preventing coaelescing via protections, -P for preventing via holes.
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