mm: unexport follow_pte_pmd

Patch series "simplify follow_pte a bit".

This small series drops the not needed follow_pte_pmd exports, and
simplifies the follow_pte family of functions a bit.

This patch (of 2):

follow_pte_pmd() is only used by the DAX code, which can't be modular.

Link: https://lkml.kernel.org/r/20201029101432.47011-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christoph Hellwig 2020-12-15 20:47:20 -08:00 committed by Linus Torvalds
parent 9801ca279a
commit 7336375734

View file

@ -4798,7 +4798,6 @@ int follow_pte_pmd(struct mm_struct *mm, unsigned long address,
ptepp, pmdpp, ptlp)));
return res;
}
EXPORT_SYMBOL(follow_pte_pmd);
/**
* follow_pfn - look up PFN at a user virtual address