[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v7 07/14] x86: introduce helper for recording degree of contiguity in page tables
On 05/07/2022 13:47, Jan Beulich wrote: This is a re-usable helper (kind of a template) which gets introduced without users so that the individual subsequent patches introducing such users can get committed independently of one another. See the comment at the top of the new file. To demonstrate the effect, if a page table had just 16 entries, this would be the set of markers for a page table with fully contiguous mappings: index 0 1 2 3 4 5 6 7 8 9 A B C D E F marker 4 0 1 0 2 0 1 0 3 0 1 0 2 0 1 0 "Contiguous" here means not only present entries with successively increasing MFNs, each one suitably aligned for its slot, but also a respective number of all non-present entries. Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx> Reviewed-by: Paul Durrant <paul@xxxxxxx>
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