On Fri, 2005-01-07 at 19:05 +0000, Christoph Hellwig wrote:

int perthread_pages_reserve(int nrpages, int gfp)
{
	LIST_HEAD(accumulator);
	int i;

	list_splice_init(&current->private_pages, &accumulator);

Now the big question is, what's synchronizing access to
current->private_pages?

Safe without locks so long as there is no other way to get at another
process's private_pages. ;)

Best,

	Robert Love


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