On Sun, May 12, 2013 at 9:23 AM, Kirill A. Shutemov
<[email protected]> wrote:
> page = vmf.page;
> +
> + /*
> + * If we asked for huge page we expect to get it or VM_FAULT_FALLBACK.
> + * If we don't ask for huge page it must be splitted in ->fault().
> + */
> + BUG_ON(PageTransHuge(page) != thp);
> +
Based on the log message in 34/39(
If the area of page cache required to create huge is empty, we create a
new huge page and return it.), the above trap looks bogus.
if (thp)
BUG_ON(!PageTransHuge(page));
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