On Tue, Mar 24, 2015 at 06:49:00PM +0800, Ming Lei wrote: > On 32bit system, this still may cause pressure on page allocation, since > requests are handled concurrently now after using workqueue.
kmap slots are from a much smaller resource pool than non-highmem allocations, so if a page needs to stay kmaped from allocation time until freeing it it should just be allocated as a kernel mapped page. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/