David Schwartz wrote:
> Okay, so suppose you are using only memory you are allowed to use. Later
> on, the system runs out of memory and swap. Your process touches one of its
> pages that has been swapped out. The system must page in that page for you
> in order for your process to continue running. The system, unfortunately,
> cannot page in for your process since it can't page out because swap is
> full. Please tell me what the system should do other than kill your process.
--- One would assume the kernel always maintains at least 1 page for its own paging purposes. So I touch my swapped out page. The kernel reads my page into the 'last page', and immediately pages out some other page, regaining its "last page". Repeat as necessary. It's a memory thrashing situation, but not fatal.-l
-- Linda A Walsh | Trust Technology, Core Linux, SGI law@sgi.com | Voice: (650) 933-5338
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This archive was generated by hypermail 2b29 : Fri Mar 31 2000 - 21:00:28 EST