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Commit 5a609934 authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
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powerpc/64s/radix: tlb do not flush on page size when fullmm 



When the mm is being torn down there will be a full PID flush so
there is no need to flush the TLB on page size changes.

Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Reviewed-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent d97e7f19

arch/powerpc/include/asm/tlb.h

+3 −0
Original line number Diff line number Diff line
@@ -49,6 +49,9 @@ static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep, 
static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb,

						     unsigned int page_size)

{

	if (tlb->fullmm)

		return;



	if (!tlb->page_size)

		tlb->page_size = page_size;

	else if (tlb->page_size != page_size) {