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arm64: mm: Add THP TLB entries to general mmu_gather

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When arm64 moved over to the core mmu_gather, it lost the logic to
flush THP TLB entries (tlb_remove_pmd_tlb_entry was removed and the
core implementation only signals that the mmu_gather needs a flush).

This patch ensures that tlb_add_flush is called for THP TLB entries.

Signed-off-by: Steve Capper <steve.capper@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Steve Capper 2014-04-24 15:33:21 +01:00 • committed by Catalin Marinas
parent c46a98ab10
commit 2eb835e058
1 changed files with 6 additions and 0 deletions
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6
arch/arm64/include/asm/tlb.h
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@ -19,6 +19,7 @@
#ifndef __ASM_TLB_H
#define __ASM_TLB_H
#define __tlb_remove_pmd_tlb_entry __tlb_remove_pmd_tlb_entry
#include <asm-generic/tlb.h>
@ -99,5 +100,10 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmdp,
}
#endif
static inline void __tlb_remove_pmd_tlb_entry(struct mmu_gather *tlb, pmd_t *pmdp,
unsigned long address)
{
tlb_add_flush(tlb, address);
}
#endif