On 2/7/25 11:27, Dave Hansen wrote: > On 2/6/25 15:42, Balbir Singh wrote: >> Fix this by not shrinking the size of direct map when CONFIG_PCI_P2PDMA >> is enabled. This reduces the total available entropy, but it's >> better than the current work around of having to disable KASLR >> completely. > > Is the size of these P2PDMA mappings known up front? Or do you just need > them to be as large as possible? The size is not known upfront, it depends on the system configuration. Yes, we need them to be as large as possible. Balbir
