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authorDavid S. Miller <davem@davemloft.net>2018-02-19 18:46:11 -0500
committerDavid S. Miller <davem@davemloft.net>2018-02-19 18:46:11 -0500
commitf5c0c6f4299f870f074235fbf552ecf957fc249c (patch)
tree6b46b9c0b271185b6f98fab350c3891042e729b1 /arch/powerpc/mm/tlb_hash64.c
parent26736a08ee0fb89a4f09bfb2c9f0805028ff63aa (diff)
parent79c0ef3e85c015b0921a8fd5dd539d1480e9cd6c (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/powerpc/mm/tlb_hash64.c')
-rw-r--r--arch/powerpc/mm/tlb_hash64.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c
index 881ebd53ffc2..9b23f12e863c 100644
--- a/arch/powerpc/mm/tlb_hash64.c
+++ b/arch/powerpc/mm/tlb_hash64.c
@@ -51,7 +51,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
unsigned int psize;
int ssize;
real_pte_t rpte;
- int i;
+ int i, offset;
i = batch->index;
@@ -67,6 +67,10 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
psize = get_slice_psize(mm, addr);
/* Mask the address for the correct page size */
addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1);
+ if (unlikely(psize == MMU_PAGE_16G))
+ offset = PTRS_PER_PUD;
+ else
+ offset = PTRS_PER_PMD;
#else
BUG();
psize = pte_pagesize_index(mm, addr, pte); /* shutup gcc */
@@ -78,6 +82,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
* support 64k pages, this might be different from the
* hardware page size encoded in the slice table. */
addr &= PAGE_MASK;
+ offset = PTRS_PER_PTE;
}
@@ -91,7 +96,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
}
WARN_ON(vsid == 0);
vpn = hpt_vpn(addr, vsid, ssize);
- rpte = __real_pte(__pte(pte), ptep);
+ rpte = __real_pte(__pte(pte), ptep, offset);
/*
* Check if we have an active batch on this CPU. If not, just