Hi Mike.
On Fri, Jan 16, 2009 at 06:29:42PM -0800, Mike Waychison (mikew@xxxxxxxxxx) wrote:
> +static void postpone_dput(struct dentry *dentry)
> +{
> + struct postponed_dentries *ppd, *new_ppd;
> +
> +again:
> + ppd = get_cpu_var(postponed_dentries);
> + if (!pending_dput_full(ppd)) {
> + add_pending_dput(ppd, dentry);
> + put_cpu_var(postponed_dentries);
> + return;
> + }
> +
> + /* need to flush out existing pending dentries. */
> + put_cpu_var(postponed_dentries);
> + /* Allocate more space.. */
> + new_ppd = new_postponed_dentries();
> + if (!new_ppd) {
> + /* Take the slow path, memory is low */
> + struct postponed_dentries_onstack ppd_onstack;
> + struct postponed_dentries *ppd;
> +
> + ppd = init_ppd_onstack(&ppd_onstack);
> + add_pending_dput(ppd, dentry);
> + process_postponed_dentries(ppd);
> + return;
> + }
Why don't you want just to put the dentry in the lowmem condition?
--
Evgeniy Polyakov
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