This is relatively easy since PMD's now cover exactly 4MB of memory.
Our PMD entries are 32-bits each, so we use a special encoding. The
lowest bit, PMD_ISHUGE, determines the interpreation. This is
possible because sparc64's page tables are purely software entities so
we can use whatever
This is relatively easy since PMD's now cover exactly 4MB of memory.
Our PMD entries are 32-bits each, so we use a special encoding. The
lowest bit, PMD_ISHUGE, determines the interpreation. This is
possible because sparc64's page tables are purely software entities so
we can use whatever
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