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author | Greg Kroah-Hartman | 2017-01-16 16:57:54 +0100 |
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committer | Greg Kroah-Hartman | 2017-01-16 16:57:54 +0100 |
commit | 11cca3d12f03c670a6dd14004d40580918898760 (patch) | |
tree | 495a745eaf5c44d08f8b1fb01b61733dc0e78c70 /mm/khugepaged.c | |
parent | serial: 8250: Add new port type for TI DA8xx/66AK2x (diff) | |
parent | Linux 4.10-rc4 (diff) | |
download | kernel-qcow2-linux-11cca3d12f03c670a6dd14004d40580918898760.tar.gz kernel-qcow2-linux-11cca3d12f03c670a6dd14004d40580918898760.tar.xz kernel-qcow2-linux-11cca3d12f03c670a6dd14004d40580918898760.zip |
Merge 4.10-rc4 into tty-next
We want the serial/tty fixes in here as well to build on top of.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/khugepaged.c')
-rw-r--r-- | mm/khugepaged.c | 26 |
1 files changed, 4 insertions, 22 deletions
diff --git a/mm/khugepaged.c b/mm/khugepaged.c index e32389a97030..77ae3239c3de 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -943,7 +943,7 @@ static void collapse_huge_page(struct mm_struct *mm, VM_BUG_ON(address & ~HPAGE_PMD_MASK); /* Only allocate from the target node */ - gfp = alloc_hugepage_khugepaged_gfpmask() | __GFP_OTHER_NODE | __GFP_THISNODE; + gfp = alloc_hugepage_khugepaged_gfpmask() | __GFP_THISNODE; /* * Before allocating the hugepage, release the mmap_sem read lock. @@ -1242,7 +1242,6 @@ static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff) struct vm_area_struct *vma; unsigned long addr; pmd_t *pmd, _pmd; - bool deposited = false; i_mmap_lock_write(mapping); vma_interval_tree_foreach(vma, &mapping->i_mmap, pgoff, pgoff) { @@ -1267,26 +1266,10 @@ static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff) spinlock_t *ptl = pmd_lock(vma->vm_mm, pmd); /* assume page table is clear */ _pmd = pmdp_collapse_flush(vma, addr, pmd); - /* - * now deposit the pgtable for arch that need it - * otherwise free it. - */ - if (arch_needs_pgtable_deposit()) { - /* - * The deposit should be visibile only after - * collapse is seen by others. - */ - smp_wmb(); - pgtable_trans_huge_deposit(vma->vm_mm, pmd, - pmd_pgtable(_pmd)); - deposited = true; - } spin_unlock(ptl); up_write(&vma->vm_mm->mmap_sem); - if (!deposited) { - atomic_long_dec(&vma->vm_mm->nr_ptes); - pte_free(vma->vm_mm, pmd_pgtable(_pmd)); - } + atomic_long_dec(&vma->vm_mm->nr_ptes); + pte_free(vma->vm_mm, pmd_pgtable(_pmd)); } } i_mmap_unlock_write(mapping); @@ -1326,8 +1309,7 @@ static void collapse_shmem(struct mm_struct *mm, VM_BUG_ON(start & (HPAGE_PMD_NR - 1)); /* Only allocate from the target node */ - gfp = alloc_hugepage_khugepaged_gfpmask() | - __GFP_OTHER_NODE | __GFP_THISNODE; + gfp = alloc_hugepage_khugepaged_gfpmask() | __GFP_THISNODE; new_page = khugepaged_alloc_page(hpage, gfp, node); if (!new_page) { |