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mm: convert generic code to 5-level paging

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Convert all non-architecture-specific code to 5-level paging.

It's mostly mechanical adding handling one more page table level in
places where we deal with pud_t.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kirill A. Shutemov 2017-03-09 17:24:07 +03:00 • committed by Linus Torvalds
parent 048456dcf2
commit c2febafc67
23 changed files with 595 additions and 120 deletions
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6
mm/pgtable-generic.c
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@ -22,6 +22,12 @@ void pgd_clear_bad(pgd_t *pgd)
pgd_clear(pgd);
}
void p4d_clear_bad(p4d_t *p4d)
{
p4d_ERROR(*p4d);
p4d_clear(p4d);
}
void pud_clear_bad(pud_t *pud)
{
pud_ERROR(*pud);