Messages in this thread | | | Date | Fri, 10 Dec 1999 00:21:18 +0100 (CET) | From | Ingo Molnar <> | Subject | Re: Getting big areas of memory, in 2.3.x? |
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On Thu, 9 Dec 1999, Kanoj Sarcar wrote:
> Well, at least in 2.3, kernel data (and page caches) are below 1G, > which means there's a lot of memory possible out there with > references only from user memory. Shm page references are > revokable too. [...]
we already kindof replace pages, see replace_with_highmem(). Reverse ptes do help, but are not a necessity to get this. Neither reverse ptes, nor any other method guarantees that a large amount of continuous RAM can be allocated. Only boot-time allocation can be guaranteed.
-- mingo
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