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SubjectRe: [PATCH 1/6] freepgt: free_pgtables use vma list
On Fri, 25 Mar 2005 16:32:07 +1100
Nick Piggin <> wrote:

> So, to make the question more concrete: if a pgd_t is freed due
> to freeing the single pmd_t contained within it (which was the
> only part of the pgd's address space that contained a valid mapping)
> Then do you need the full PGDIR_SIZE width passed to
> flush_tlb_pgtables, or just the PMD_SIZE'd start,end that covered
> the freed pmd_t?

Just the PMD_SIZE'd start,end is necessary.
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