Re: [PATCH -mm 1/7] mm: track free size between VMAs in VMA rbtree

[Peter Zijlstra]

On Mon, 2012-06-18 at 18:05 -0400, Rik van Riel wrote:
> +static void adjust_free_gap(struct vm_area_struct *vma)
> +{
> +       rb_augment_erase_end(&vma->vm_rb, vma_rb_augment_cb, NULL);
> +} 

This is a somewhat unorthodox usage of the rb_augment_erase_end()
function, at the very least that wants a comment.
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