diff options
Diffstat (limited to 'arch/powerpc/mm/tlb-radix.c')
| -rw-r--r-- | arch/powerpc/mm/tlb-radix.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index 67191fe63283..63e277b6e60c 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -298,10 +298,14 @@ void radix__tlb_flush(struct mmu_gather *tlb) psize = radix_get_mmu_psize(page_size); /* * if page size is not something we understand, do a full mm flush + * + * A "fullmm" flush must always do a flush_all_mm (RIC=2) flush + * that flushes the process table entry cache upon process teardown. + * See the comment for radix in arch_exit_mmap(). */ if (psize != -1 && !tlb->fullmm && !tlb->need_flush_all) radix__flush_tlb_range_psize(mm, tlb->start, tlb->end, psize); - else if (tlb->need_flush_all) { + else if (tlb->fullmm || tlb->need_flush_all) { tlb->need_flush_all = 0; radix__flush_all_mm(mm); } else |