diff options
author | Ralph Campbell <rcampbell@nvidia.com> | 2019-07-25 17:56:49 -0700 |
---|---|---|
committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-26 12:13:10 -0300 |
commit | f527688d5d8a80d2d1b2c02779105747c2f4f705 (patch) | |
tree | 5bffa835da6ceda054b455b24e85fcf3714fb9ef /mm | |
parent | d45d464b118f428229d91769c8a3cc1e2e0bb4d5 (diff) |
mm/hmm: remove hugetlbfs check in hmm_vma_walk_pmd
walk_page_range() will only call hmm_vma_walk_hugetlb_entry() for
hugetlbfs pages and doesn't call hmm_vma_walk_pmd() in this case.
Therefore, it is safe to remove the check for vma->vm_flags & VM_HUGETLB
in hmm_vma_walk_pmd().
Link: https://lore.kernel.org/r/20190726005650.2566-7-rcampbell@nvidia.com
Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'mm')
-rw-r--r-- | mm/hmm.c | 3 |
1 files changed, 0 insertions, 3 deletions
@@ -630,9 +630,6 @@ again: if (pmd_none(pmd)) return hmm_vma_walk_hole(start, end, walk); - if (pmd_huge(pmd) && (range->vma->vm_flags & VM_HUGETLB)) - return hmm_pfns_bad(start, end, walk); - if (thp_migration_supported() && is_pmd_migration_entry(pmd)) { bool fault, write_fault; unsigned long npages; |