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| author | Jason Gunthorpe <jgg@mellanox.com> | 2020-03-04 16:25:56 -0400 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2020-03-26 14:33:37 -0300 |
| commit | 7d082987e5e562c07a208503a607a733d50553ba (patch) | |
| tree | 94d90c3fc82ad15635620bc8a908839b6265c5a5 /mm/hmm.c | |
| parent | 05fc1df95e5dc09802813bab9c1e718f1e419d93 (diff) | |
| download | linux-7d082987e5e562c07a208503a607a733d50553ba.tar.gz | |
mm/hmm: add missing pfns set to hmm_vma_walk_pmd()
All success exit paths from the walker functions must set the pfns array.
A migration entry with no required fault is a HMM_PFN_NONE return, just
like the pte case.
Fixes: d08faca018c4 ("mm/hmm: properly handle migration pmd")
Reviewed-by: Ralph Campbell <rcampbell@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'mm/hmm.c')
| -rw-r--r-- | mm/hmm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/hmm.c b/mm/hmm.c index 0e7a57246f03..09fc4569468e 100644 --- a/mm/hmm.c +++ b/mm/hmm.c @@ -402,7 +402,7 @@ again: pmd_migration_entry_wait(walk->mm, pmdp); return -EBUSY; } - return 0; + return hmm_pfns_fill(start, end, range, HMM_PFN_NONE); } else if (!pmd_present(pmd)) return hmm_pfns_fill(start, end, range, HMM_PFN_ERROR); |