Messages in this thread | | | Date | Sat, 7 Jul 2007 17:01:57 +1000 | From | Paul Mackerras <> | Subject | Re: RFC: CONFIG_PAGE_SHIFT (aka software PAGE_SIZE) |
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Andrea Arcangeli writes:
> So my whole idea is to once and for all to decuple the size of the > pte-entry (4k on x86/amd64) with the page allocator granularity. The > HARD_PAGE_SHIFT will be 4k still, the common code PAGE_SIZE will be > variable and configurable at compile time with CONFIG_PAGE_SHIFT.
How does the page cache work with your scheme? For example if I have 1000 1kB files cached in the page cache, and 16k PAGE_SIZE, does that use up 4M, or 16M?
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