Le 03/06/2019 à 08:44, Nicholas Piggin a écrit :
The pmd_none check does not catch hugepage collapse, nor does the
pmd_present check in pmd_trans_huge, because hugepage collapse sets
!_PAGE_PRESENT && _PAGE_INVALID (which results in !pmd_none and
pmd_present).
Aneesh noticed we might need thi
The pmd_none check does not catch hugepage collapse, nor does the
pmd_present check in pmd_trans_huge, because hugepage collapse sets
!_PAGE_PRESENT && _PAGE_INVALID (which results in !pmd_none and
pmd_present).
Aneesh noticed we might need this check as well.
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arch/powerpc/mm/pgtable.c | 15
