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| author | Christoph Hellwig <hch@lst.de> | 2020-12-16 07:47:23 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-16 09:46:19 +0300 |
| commit | ff5c19ed4b087073cea38ff0edc80c23d7256943 (patch) | |
| tree | 114406e05a7f7ffe82e6945445d3f557c7746c41 /fs/dax.c | |
| parent | 7336375734d65ecc82956b59a79cf5deccce880c (diff) | |
| download | linux-ff5c19ed4b087073cea38ff0edc80c23d7256943.tar.xz | |
mm: simplify follow_pte{,pmd}
Merge __follow_pte_pmd, follow_pte_pmd and follow_pte into a single
follow_pte function and just pass two additional NULL arguments for the
two previous follow_pte callers.
[sfr@canb.auug.org.au: merge fix for "s390/pci: remove races against pte updates"]
Link: https://lkml.kernel.org/r/20201111221254.7f6a3658@canb.auug.org.au
Link: https://lkml.kernel.org/r/20201029101432.47011-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/dax.c')
| -rw-r--r-- | fs/dax.c | 9 |
1 files changed, 4 insertions, 5 deletions
@@ -810,12 +810,11 @@ static void dax_entry_mkclean(struct address_space *mapping, pgoff_t index, address = pgoff_address(index, vma); /* - * Note because we provide range to follow_pte_pmd it will - * call mmu_notifier_invalidate_range_start() on our behalf - * before taking any lock. + * Note because we provide range to follow_pte it will call + * mmu_notifier_invalidate_range_start() on our behalf before + * taking any lock. */ - if (follow_pte_pmd(vma->vm_mm, address, &range, - &ptep, &pmdp, &ptl)) + if (follow_pte(vma->vm_mm, address, &range, &ptep, &pmdp, &ptl)) continue; /* |