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This commit is contained in:
Maneet Singh
2026-02-17 10:04:18 -08:00
parent ea77b4f916
commit 8e11c95ee7
8 changed files with 34 additions and 25 deletions
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2
kernel-open/nvidia-uvm/nvidia-uvm.Kbuild
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@@ -63,7 +63,7 @@ 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 += dev_pagemap_ops_has_folio_free
NV_CONFTEST_TYPE_COMPILE_TESTS += zone_device_page_init_has_order_arg
NV_CONFTEST_TYPE_COMPILE_TESTS += zone_device_page_init_has_pgmap_and_order_args
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

11
kernel-open/nvidia-uvm/uvm_hmm.c
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@@ -78,11 +78,14 @@ module_param(uvm_disable_hmm, bool, 0444);
// Pass 0 as the order, when actual large order support is added this
// function will need to be revisited
//
#if defined(NV_ZONE_DEVICE_PAGE_INIT_HAS_ORDER_ARG)
#define ZONE_DEVICE_PAGE_INIT(page) zone_device_page_init(page, 0)
static __always_inline void nv_zone_device_page_init(struct page *page)
{
#if defined(NV_ZONE_DEVICE_PAGE_INIT_HAS_PGMAP_AND_ORDER_ARGS)
zone_device_page_init(page, page_pgmap(page), 0);
#else
#define ZONE_DEVICE_PAGE_INIT(page) zone_device_page_init(page)
zone_device_page_init(page);
#endif
}
// The function nv_PageSwapCache() wraps the check for page swap cache flag in
// order to support a wide variety of kernel versions.
@@ -2156,7 +2159,7 @@ static void fill_dst_pfn(uvm_va_block_t *va_block,
UVM_ASSERT(!page_count(dpage));
UVM_ASSERT(!dpage->zone_device_data);
ZONE_DEVICE_PAGE_INIT(dpage);
nv_zone_device_page_init(dpage);
dpage->zone_device_data = gpu_chunk;
atomic64_inc(&va_block->hmm.va_space->hmm.allocated_page_count);
}