Messages in this thread | | | Subject | Re: [reiserfs-list] Re: Note describing poor dcache utilization under high memory pressure | From | Valdis.Kletnieks@vt ... | Date | Mon, 28 Jan 2002 20:37:22 -0500 |
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On Mon, 28 Jan 2002 19:29:49 CST, Oliver Xymoron said:
> I think something more is needed, such as creating a minimal page table > for the child process with read-only mappings to the current %EIP and %EBP > pages in it. This gets us past the fork/exec hurdle. Without the exec, we > copy over chunks when they're accessed as above in handle_mm_fault. But > you can't actually _share_ the page tables without marking the pages > themselves readonly.
Actually, you can. But everybody agrees that vfork() was blecherous. -- Valdis Kletnieks Computer Systems Senior Engineer Virginia Tech
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