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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-11 09:30:50 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-11 09:30:50 -0700 |
commit | 5f47992491ffe2d5b2b4ea3556bc0f3c0ec9bc8b (patch) | |
tree | f43f81ab67d152c148bd3dfc1a0683d2c8306014 /mm/rmap.c | |
parent | 148e45dc87cb76ba89e80da264bc692cc91a5149 (diff) | |
parent | bf16200689118d19de1b8d2a3c314fc21f5dc7bb (diff) | |
download | op-kernel-dev-5f47992491ffe2d5b2b4ea3556bc0f3c0ec9bc8b.zip op-kernel-dev-5f47992491ffe2d5b2b4ea3556bc0f3c0ec9bc8b.tar.gz |
Merge 4.6-rc3 into staging-next
This resolves a lot of merge issues with PAGE_CACHE_* changes, and an
iio driver merge issue.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/rmap.c')
-rw-r--r-- | mm/rmap.c | 30 |
1 files changed, 8 insertions, 22 deletions
@@ -569,19 +569,6 @@ void page_unlock_anon_vma_read(struct anon_vma *anon_vma) } #ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH -static void percpu_flush_tlb_batch_pages(void *data) -{ - /* - * All TLB entries are flushed on the assumption that it is - * cheaper to flush all TLBs and let them be refilled than - * flushing individual PFNs. Note that we do not track mm's - * to flush as that might simply be multiple full TLB flushes - * for no gain. - */ - count_vm_tlb_event(NR_TLB_REMOTE_FLUSH_RECEIVED); - flush_tlb_local(); -} - /* * Flush TLB entries for recently unmapped pages from remote CPUs. It is * important if a PTE was dirty when it was unmapped that it's flushed @@ -598,15 +585,14 @@ void try_to_unmap_flush(void) cpu = get_cpu(); - trace_tlb_flush(TLB_REMOTE_SHOOTDOWN, -1UL); - - if (cpumask_test_cpu(cpu, &tlb_ubc->cpumask)) - percpu_flush_tlb_batch_pages(&tlb_ubc->cpumask); - - if (cpumask_any_but(&tlb_ubc->cpumask, cpu) < nr_cpu_ids) { - smp_call_function_many(&tlb_ubc->cpumask, - percpu_flush_tlb_batch_pages, (void *)tlb_ubc, true); + if (cpumask_test_cpu(cpu, &tlb_ubc->cpumask)) { + count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL); + local_flush_tlb(); + trace_tlb_flush(TLB_LOCAL_SHOOTDOWN, TLB_FLUSH_ALL); } + + if (cpumask_any_but(&tlb_ubc->cpumask, cpu) < nr_cpu_ids) + flush_tlb_others(&tlb_ubc->cpumask, NULL, 0, TLB_FLUSH_ALL); cpumask_clear(&tlb_ubc->cpumask); tlb_ubc->flush_required = false; tlb_ubc->writable = false; @@ -1555,7 +1541,7 @@ static int try_to_unmap_one(struct page *page, struct vm_area_struct *vma, discard: page_remove_rmap(page, PageHuge(page)); - page_cache_release(page); + put_page(page); out_unmap: pte_unmap_unlock(pte, ptl); |