Messages in this thread | | | Date | Fri, 28 Aug 2009 23:11:14 +0100 | From | Alan Cox <> | Subject | Re: kernel page table mapping for >1GB <3 GB for x86 arch without PAE |
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On Fri, 28 Aug 2009 14:07:01 -0700 (PDT) joe Shmoe <jsmoe3@yahoo.com> wrote:
> doesn't CR3 gets reloaded for process switch? If so , how does it matter if you setup page table mapping for all the available RAM instead of limiting to just 1GB
Because
- You don't switch process every syscall - You don't switch process every interrupt
The latter is the real killer.
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