Re: [Intel-gfx] [RFC PATCH 125/162] drm/i915/lmem: Limit block size to 4G

2020-11-27 Thread Chris Wilson
Quoting Matthew Auld (2020-11-27 12:06:41) > From: Venkata Sandeep Dhanalakota > > when allocating pages to lmem object of size 4G or greater > we allocate memory blocks from buddy system. Any lmem object is from the buddy system. > In this scenario > buddy sytem can allocate blocks that can ha

[Intel-gfx] [RFC PATCH 125/162] drm/i915/lmem: Limit block size to 4G

2020-11-27 Thread Matthew Auld
From: Venkata Sandeep Dhanalakota when allocating pages to lmem object of size 4G or greater we allocate memory blocks from buddy system. In this scenario buddy sytem can allocate blocks that can have size >= 4G and these blocks require >32b to represent block size with these blocks we run into a