Re: [PATCH] drm/ttm: increase ttm pre-fault value to PMD size

Please ignore this patch, V2 will be send out soon Thanks Zhu Lingshan On 5/30/2024 12:02 PM, Huang Rui wrote: > On Thu, May 30, 2024 at 11:41:04AM +0800, Zhu, Lingshan wrote: >> ttm page fault handler ttm_bo_vm_fault_reserved() maps >> TTM_BO_VM_NUM_PREFAULT more pages beforehand >> due to the

Re: [PATCH] drm/ttm: increase ttm pre-fault value to PMD size

On Thu, May 30, 2024 at 11:41:04AM +0800, Zhu, Lingshan wrote: > ttm page fault handler ttm_bo_vm_fault_reserved() maps > TTM_BO_VM_NUM_PREFAULT more pages beforehand > due to the principle of locality. > > However, on some platform the page faults are more costly, this > patch intends to

[PATCH] drm/ttm: increase ttm pre-fault value to PMD size

ttm page fault handler ttm_bo_vm_fault_reserved() maps TTM_BO_VM_NUM_PREFAULT more pages beforehand due to the principle of locality. However, on some platform the page faults are more costly, this patch intends to increase the number of ttm pre-fault to relieve the number of page faults. When