Enable device memory pool for SVM

configname: CONFIG_DRM_XE_PAGEMAP

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Enable device memory pool for SVM
In linux kernel since version 6.17 (release Date: 2025-09-28)  
Disable this option only if you don't want to expose local device
memory for SVM. Will reduce KMD memory footprint when disabled.

If in doubt say "Y".