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asm-generic/tlb, arch: Provide CONFIG_HAVE_MMU_GATHER_PAGE_SIZE

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Move the mmu_gather::page_size things into the generic code instead of
PowerPC specific bits.

No change in behavior intended.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nick Piggin <npiggin@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra
2018-08-31 14:46:08 +02:00
committed by Ingo Molnar
parent dea2434c23
commit ed6a79352c
14 changed files with 39 additions and 49 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
arch/powerpc/include/asm/tlb.h
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@@ -27,7 +27,6 @@
#define tlb_start_vma(tlb, vma) do { } while (0)
#define tlb_end_vma(tlb, vma) do { } while (0)
#define __tlb_remove_tlb_entry __tlb_remove_tlb_entry
#define tlb_remove_check_page_size_change tlb_remove_check_page_size_change
extern void tlb_flush(struct mmu_gather *tlb);
@@ -46,22 +45,6 @@ static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
#endif
}
static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb,
unsigned int page_size)
{
if (!tlb->page_size)
tlb->page_size = page_size;
else if (tlb->page_size != page_size) {
if (!tlb->fullmm)
tlb_flush_mmu(tlb);
/*
* update the page size after flush for the new
* mmu_gather.
*/
tlb->page_size = page_size;
}
}
#ifdef CONFIG_SMP
static inline int mm_is_core_local(struct mm_struct *mm)
{