diff options
| author | Liam R. Howlett <Liam.Howlett@oracle.com> | 2023-07-24 20:31:51 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-18 19:12:49 +0200 |
| commit | f72cf24a868675280bc555e95abc3639777f8d82 (patch) | |
| tree | 22775af1b1baa0e176b7afd5e3681a1f57587049 /mm/nommu.c | |
| parent | maple_tree: adjust node allocation on mas_rebalance() (diff) | |
| download | linux-f72cf24a868675280bc555e95abc3639777f8d82.tar.xz linux-f72cf24a868675280bc555e95abc3639777f8d82.zip | |
mm: use vma_iter_clear_gfp() in nommu
Move the definition of vma_iter_clear_gfp() from mmap.c to internal.h so
it can be used in the nommu code. This will reduce node preallocations
in nommu.
Link: https://lkml.kernel.org/r/20230724183157.3939892-10-Liam.Howlett@oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Cc: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/nommu.c')
| -rw-r--r-- | mm/nommu.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/mm/nommu.c b/mm/nommu.c index 9826f6101a05..418cc0669c1f 100644 --- a/mm/nommu.c +++ b/mm/nommu.c @@ -1396,17 +1396,13 @@ static int vmi_shrink_vma(struct vma_iterator *vmi, /* adjust the VMA's pointers, which may reposition it in the MM's tree * and list */ - if (vma_iter_prealloc(vmi)) { - pr_warn("Allocation of vma tree for process %d failed\n", - current->pid); - return -ENOMEM; - } - if (from > vma->vm_start) { - vma_iter_clear(vmi, from, vma->vm_end); + if (vma_iter_clear_gfp(vmi, from, vma->vm_end, GFP_KERNEL)) + return -ENOMEM; vma->vm_end = from; } else { - vma_iter_clear(vmi, vma->vm_start, to); + if (vma_iter_clear_gfp(vmi, vma->vm_start, to, GFP_KERNEL)) + return -ENOMEM; vma->vm_start = to; } |