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mm: convert p[te|md]_mknonnuma and remaining page table manipulations

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With PROT_NONE, the traditional page table manipulation functions are
sufficient.

[[email protected]: fix compiler warning in pmdp_invalidate()]
[[email protected]: fix build with STRICT_MM_TYPECHECKS]
Signed-off-by: Mel Gorman <[email protected]>
Acked-by: Linus Torvalds <[email protected]>
Acked-by: Aneesh Kumar <[email protected]>
Tested-by: Sasha Levin <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Dave Jones <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Kirill Shutemov <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Rik van Riel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Mel Gorman 2015-02-12 14:58:28 -08:00 • committed by Linus Torvalds
commit 4d94246699
8 changed files with 21 additions and 38 deletions
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2
mm/migrate.c
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@ -1847,7 +1847,7 @@ out_fail:
out_dropref:
ptl = pmd_lock(mm, pmd);
if (pmd_same(*pmd, entry)) {
entry = pmd_mknonnuma(entry);
entry = pmd_modify(entry, vma->vm_page_prot);
set_pmd_at(mm, mmun_start, pmd, entry);
update_mmu_cache_pmd(vma, address, &entry);
}