diff options
| author | Aneesh Kumar K.V <[email protected]> | 2021-07-07 18:10:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2021-07-08 11:48:23 -0700 |
| commit | feac00aad12373b994ff4d340ff818792e833a0a (patch) | |
| tree | 67d5a4a123542c498bc64d8eaee2d420c3c84f7c | |
| parent | cec6515abbda4bea11ffa2cd700ce062bc07a6d7 (diff) | |
powerpc/mm: enable HAVE_MOVE_PMD support
mremap HAVE_MOVE_PMD/PUD optimization time comparison for 1GB region:
1GB mremap - Source PTE-aligned, Destination PTE-aligned
mremap time: 2292772ns
1GB mremap - Source PMD-aligned, Destination PMD-aligned
mremap time: 1158928ns
1GB mremap - Source PUD-aligned, Destination PUD-aligned
mremap time: 63886ns
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Aneesh Kumar K.V <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: Joel Fernandes <[email protected]>
Cc: Kalesh Singh <[email protected]>
Cc: Kirill A. Shutemov <[email protected]>
Cc: Kirill A. Shutemov <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Stephen Rothwell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | arch/powerpc/platforms/Kconfig.cputype | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 0e1bb1cedd13..6794145603de 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -102,6 +102,8 @@ config PPC_BOOK3S_64 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_SUPPORTS_HUGETLBFS select ARCH_SUPPORTS_NUMA_BALANCING + select HAVE_MOVE_PMD + select HAVE_MOVE_PUD select IRQ_WORK select PPC_MM_SLICES select PPC_HAVE_KUEP |