Re: Hugepage bugfix

[William Lee Irwin III]

On Wed, Jun 02, 2004 at 12:23:12PM +1000, David Gibson wrote:
> Currently the hugepage code stores the hugepage destructor in the
> mapping field of the second of the compound pages.  However, this
> field is never cleared again, which causes tracebacks from
> free_pages_check() if the hugepage is later destroyed by reducing the
> number in /proc/sys/vm/nr_hugepages.  This patch fixes the bug by
> clearing the mapping field when the hugepage is freed.

Good catch; thanks.


-- wli
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