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| author | Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> | 2021-07-07 18:10:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-07-08 11:48:23 -0700 |
| commit | d6655dff2e254a2ee1ca62cf88bed5620a0b47e1 (patch) | |
| tree | 3e6f9c782defc2453cd4f985c84d828bd0d3b232 /mm/mremap.c | |
| parent | 7d846db7d0e23139d1894e198fcd74dc7d5871ba (diff) | |
| download | lwn-d6655dff2e254a2ee1ca62cf88bed5620a0b47e1.tar.gz lwn-d6655dff2e254a2ee1ca62cf88bed5620a0b47e1.zip | |
mm/mremap: don't enable optimized PUD move if page table levels is 2
With two level page table don't enable move_normal_pud.
Link: https://lkml.kernel.org/r/20210616045239.370802-5-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: 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>
Diffstat (limited to 'mm/mremap.c')
| -rw-r--r-- | mm/mremap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index 4bcaf17424c8..f5f3f6ad36f7 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -276,7 +276,7 @@ static inline bool move_normal_pmd(struct vm_area_struct *vma, } #endif -#ifdef CONFIG_HAVE_MOVE_PUD +#if CONFIG_PGTABLE_LEVELS > 2 && defined(CONFIG_HAVE_MOVE_PUD) static bool move_normal_pud(struct vm_area_struct *vma, unsigned long old_addr, unsigned long new_addr, pud_t *old_pud, pud_t *new_pud) { |