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russellcnv
2025-12-18 14:38:12 -08:00
parent 58a0f49bed
commit a3af2867b7
94 changed files with 77091 additions and 74546 deletions
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1
kernel-open/nvidia-uvm/nvidia-uvm.Kbuild
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@@ -61,6 +61,7 @@ NV_CONFTEST_TYPE_COMPILE_TESTS += mmu_notifier_ops_arch_invalidate_secondary_tlb
NV_CONFTEST_TYPE_COMPILE_TESTS += migrate_vma_added_flags
NV_CONFTEST_TYPE_COMPILE_TESTS += migrate_device_range
NV_CONFTEST_TYPE_COMPILE_TESTS += handle_mm_fault_has_pt_regs_arg
NV_CONFTEST_TYPE_COMPILE_TESTS += get_dev_pagemap_has_pgmap_arg
NV_CONFTEST_TYPE_COMPILE_TESTS += mempolicy_has_unified_nodes
NV_CONFTEST_TYPE_COMPILE_TESTS += mempolicy_has_home_node
NV_CONFTEST_TYPE_COMPILE_TESTS += mpol_preferred_many_present

6
kernel-open/nvidia-uvm/uvm_linux.h
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@@ -132,6 +132,12 @@
#define NV_UVM_GFP_FLAGS (GFP_KERNEL | __GFP_NOMEMALLOC)
#if defined(NV_GET_DEV_PAGEMAP_HAS_PGMAP_ARG)
#define NV_GET_DEV_PAGEMAP(pfn) get_dev_pagemap(pfn, NULL)
#else
#define NV_GET_DEV_PAGEMAP get_dev_pagemap
#endif
/* Return a nanosecond-precise value */
static inline NvU64 NV_GETTIME(void)
{

11
kernel-open/nvidia-uvm/uvm_migrate_pageable.c
View File

@@ -43,8 +43,6 @@
#ifdef UVM_MIGRATE_VMA_SUPPORTED
static struct kmem_cache *g_uvm_migrate_vma_state_cache __read_mostly;
static const gfp_t g_migrate_vma_gfp_flags = NV_UVM_GFP_FLAGS | GFP_HIGHUSER_MOVABLE | __GFP_THISNODE;
static uvm_sgt_t *uvm_select_sgt(uvm_processor_id_t src_id, int src_nid, migrate_vma_state_t *state)
@@ -1497,7 +1495,7 @@ NV_STATUS uvm_migrate_pageable(uvm_migrate_args_t *uvm_migrate_args)
uvm_migrate_args->dst_node_id = uvm_gpu_numa_node(gpu);
}
state = nv_kmem_cache_zalloc(g_uvm_migrate_vma_state_cache, NV_UVM_GFP_FLAGS);
state = uvm_kvmalloc_zero(sizeof(migrate_vma_state_t));
if (!state)
return NV_ERR_NO_MEMORY;
@@ -1519,22 +1517,17 @@ NV_STATUS uvm_migrate_pageable(uvm_migrate_args_t *uvm_migrate_args)
out:
uvm_kvfree(state->dma.sgt_cpu);
uvm_kvfree(state->cpu_page_mask);
kmem_cache_free(g_uvm_migrate_vma_state_cache, state);
uvm_kvfree(state);
return status;
}
NV_STATUS uvm_migrate_pageable_init(void)
{
g_uvm_migrate_vma_state_cache = NV_KMEM_CACHE_CREATE("migrate_vma_state_t", migrate_vma_state_t);
if (!g_uvm_migrate_vma_state_cache)
return NV_ERR_NO_MEMORY;
return NV_OK;
}
void uvm_migrate_pageable_exit(void)
{
kmem_cache_destroy_safe(&g_uvm_migrate_vma_state_cache);
}
#endif

2
kernel-open/nvidia-uvm/uvm_va_range_device_p2p.c
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@@ -360,7 +360,7 @@ static NV_STATUS alloc_device_p2p_mem(uvm_gpu_t *gpu,
// a reference to them, so take one now if using DEVICE_COHERENT pages.
if (gpu->parent->cdmm_enabled) {
get_page(page);
get_dev_pagemap(page_to_pfn(page), NULL);
NV_GET_DEV_PAGEMAP(page_to_pfn(page));
}
#else
// CDMM P2PDMA will never be enabled for this case