On Fri, 26 Jul 2002, Russell Lewis wrote:
> I have spent some time working on AIX, which pages its kernel memory.
> It pins the interrupt handler functions, and any data that they access,
> but does not pin the other code.
>
> I'm looking for links as to why (unless I'm mistaken) Linux doesn't do
> this, so I can better understand the system.
>
> Thanks, and sorry for the broadcast message. My web search turned up
> nothing.
>
> Russ Lewis
You'll probably get a zillion replies on this.
Paging is expensive. The fastest kernel will not be paged.
Also, the kernel is very small, you gain a few pages, maybe
80 to 90 at the expense of paging CPU cycles. 85 * 4096 = 348,160
1/3 megabyte gained, hardly worth the cost.
Cheers,
Dick Johnson
Penguin : Linux version 2.4.18 on an i686 machine (797.90 BogoMips).
The US military has given us many words, FUBAR, SNAFU, now ENRON.
Yes, top management were graduates of West Point and Annapolis.
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This archive was generated by hypermail 2b29 : Tue Jul 30 2002 - 14:00:24 EST