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MIPS: Invalidate old TLB mappings when updating huge page PTEs. 

Without this, stale Icache or TLB entries may be used.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
https://patchwork.linux-mips.org/patch/2318/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney 2011-04-27 16:39:28 -07:00 committed by Ralf Baechle
parent f850548ef8
commit 310f130339
1 changed files with 1 additions and 0 deletions
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1
arch/mips/include/asm/hugetlb.h
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@ -70,6 +70,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
flush_tlb_mm(vma->vm_mm);
}
static inline int huge_pte_none(pte_t pte)