Messages in this thread | | | Date | Mon, 4 Mar 2002 23:28:06 -0500 | From | Benjamin LaHaise <> | Subject | Re: [RFC] Arch option to touch newly allocated pages |
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On Mon, Mar 04, 2002 at 11:15:56PM -0500, Jeff Dike wrote: > So, does this make things at all clearer? Without the patch I get random > UML deaths when tmpfs can't back a page. With it, tmpfs is forced to back > newly allocated pages when they're allocated, and the allocation returns NULL > if it can't. The result being I get no UML deaths and fairly reasonable > behavior.
From your explanation of things, you only need to do the memsets once at startup of UML where the ram is allocated -> a uml booted with 64MB of ram would write into every page of the backing store file before even running the kernel. Doesn't that accomplish the same thing?
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