mm: Introduce pXX_leaf_size()

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A number of architectures have non-pagetable aligned huge/large pages.
For such architectures a leaf can actually be part of a larger entry.

Provide generic helpers to determine the size of a page-table leaf.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lkml.kernel.org/r/20201126121121.102580109@infradead.org

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Peter Zijlstra 2020-11-13 11:45:36 +01:00

parent 2a4a06da8a

commit 560dabbdf6

1 changed files with 16 additions and 0 deletions

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include/linux/pgtable.h

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