diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-12-15 20:47:23 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-26 10:10:27 +0100 |
| commit | 78c7b242573a9099cb273c9a4093fdd3cea4759d (patch) | |
| tree | 9a351e04585beaa0fc0750c1be9c6cb2c7e0e441 /fs/dax.c | |
| parent | 8aeef9c9ac7ee48934b8b4fddb33e0aa0c1fcd75 (diff) | |
mm: simplify follow_pte{,pmd}
commit ff5c19ed4b087073cea38ff0edc80c23d7256943 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/dax.c')
| -rw-r--r-- | fs/dax.c | 9 |
1 files changed, 4 insertions, 5 deletions
@@ -794,12 +794,11 @@ 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; /* |