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authorMike Rapoport <rppt@linux.ibm.com>2020-05-23 22:57:18 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-05-23 13:59:12 -0700
commit0cfc8a8d70dcd51db783e8e87917e02149c71458 (patch)
tree68b7293e8da1f1cdee1f5fb98d44f7ff9453b1c6 /fs/lockd
parent423b8baf18a8c03f2d6fa99aa447ed0da189bb95 (diff)
downloadlinux-0cfc8a8d70dcd51db783e8e87917e02149c71458.tar.bz2
sparc32: fix page table traversal in srmmu_nocache_init()
The srmmu_nocache_init() uses __nocache_fix() macro to add an offset to page table entry to access srmmu_nocache_pool. But since sparc32 has only three actual page table levels, pgd, p4d and pud are essentially the same thing and pgd_offset() and p4d_offset() are no-ops, the __nocache_fix() should be done only at PUD level. Remove __nocache_fix() for p4d_offset() and pud_offset() and keep it only for PUD and lower levels. Fixes: c2bc26f7ca1f ("sparc32: use PUD rather than PGD to get PMD in srmmu_nocache_init()") Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Cc: David S. Miller <davem@davemloft.net> Cc: Anatoly Pugachev <matorola@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/lockd')
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