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authorAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>2021-07-08 04:10:24 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-07-08 21:48:23 +0300
commitfeac00aad12373b994ff4d340ff818792e833a0a (patch)
tree67d5a4a123542c498bc64d8eaee2d420c3c84f7c /Documentation
parentcec6515abbda4bea11ffa2cd700ce062bc07a6d7 (diff)
downloadlinux-feac00aad12373b994ff4d340ff818792e833a0a.tar.xz
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/20210616045735.374532-4-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Hugh Dickins <hughd@google.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Kalesh Singh <kaleshsingh@google.com> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Kirill A. Shutemov <kirill@shutemov.name> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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