diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2017-03-13 08:22:13 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-03-13 08:58:09 -0700 |
| commit | ce70df089143c49385b4f32f39d41fb50fbf6a7c (patch) | |
| tree | b5a5ee79349c22299b2ebb84d55c533d15652ea2 | |
| parent | 4495c08e84729385774601b5146d51d9e5849f81 (diff) | |
mm, gup: fix typo in gup_p4d_range()
gup_p4d_range() should call gup_pud_range(), not itself.
[ This was not noticed on x86: this is the HAVE_GENERIC_RCU_GUP code
used by arm[64] and powerpc - Linus ]
Fixes: c2febafc6773 ("mm: convert generic code to 5-level paging")
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reported-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reported-by: Anton Blanchard <anton@samba.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | mm/gup.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -1455,7 +1455,7 @@ static int gup_p4d_range(pgd_t pgd, unsigned long addr, unsigned long end, if (!gup_huge_pd(__hugepd(p4d_val(p4d)), addr, P4D_SHIFT, next, write, pages, nr)) return 0; - } else if (!gup_p4d_range(p4d, addr, next, write, pages, nr)) + } else if (!gup_pud_range(p4d, addr, next, write, pages, nr)) return 0; } while (p4dp++, addr = next, addr != end); |