[PATCH 15/15] ptwalk: pud and pmd folded

[PATCH 15/15] ptwalk: pud and pmd folded Nick Piggin's patch to fold away most of the pud and pmd levels when not required. Adjusted to define minimal pud_addr_end (in the 4LEVEL_HACK case too) and pmd_addr_end. Responsible for half of the savings. Signed-off-by: Hugh Dickins <[EMAIL PROTEC

[PATCH 15/15] ptwalk: pud and pmd folded

[PATCH 15/15] ptwalk: pud and pmd folded Nick Piggin's patch to fold away most of the pud and pmd levels when not required. Adjusted to define minimal pud_addr_end (in the 4LEVEL_HACK case too) and pmd_addr_end. Responsible for half of the savings. Signed-off-by: Hugh Dickins [EMAIL PROTECTED