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This commit is contained in:
Andy Ritger
2023-05-30 10:11:36 -07:00
parent 6dd092ddb7
commit eb5c7665a1
1403 changed files with 295367 additions and 86235 deletions
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10
kernel-open/nvidia-uvm/uvm_migrate_pageable.h
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@@ -58,11 +58,13 @@ typedef struct
#ifdef UVM_MIGRATE_VMA_SUPPORTED
#include <linux/migrate.h>
// The calls to migrate_vma are capped at 32MB to set an upper bound on the
// The calls to migrate_vma are capped at 512 pages to set an upper bound on the
// amount of metadata that needs to be allocated for the operation. This number
// was chosen because performance seems to plateau at this size.
#define UVM_MIGRATE_VMA_MAX_SIZE (32UL * 1024 * 1024)
#define UVM_MIGRATE_VMA_MAX_PAGES (UVM_MIGRATE_VMA_MAX_SIZE >> PAGE_SHIFT)
// was chosen because performance seems to plateau at this size on 64K-pages
// kernels. On kernels with PAGE_SIZE == 4K, 512 pages correspond to 2M VA block,
// which is also a standard size for batch operations.
#define UVM_MIGRATE_VMA_MAX_PAGES (512UL)
#define UVM_MIGRATE_VMA_MAX_SIZE (UVM_MIGRATE_VMA_MAX_PAGES * PAGE_SIZE)
typedef struct
{