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This commit is contained in:
Maneet Singh
2025-12-02 15:32:25 -08:00
parent 2af9f1f0f7
commit a5bfb10e75
954 changed files with 421883 additions and 408177 deletions
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42
kernel-open/nvidia-uvm/uvm_linux.h
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@@ -40,10 +40,6 @@
#include "nv-linux.h"
#include <linux/log2.h>
#if defined(NV_PRIO_TREE_PRESENT)
#include <linux/prio_tree.h>
#endif
#include <linux/jhash.h>
#include <linux/rwsem.h>
#include <linux/rbtree.h>
@@ -117,21 +113,14 @@
#define NVIDIA_UVM_PRETTY_PRINTING_PREFIX "nvidia-uvm: "
#define pr_fmt(fmt) NVIDIA_UVM_PRETTY_PRINTING_PREFIX fmt
// Dummy printing function that maintains syntax and format specifier checking
// but doesn't print anything and doesn't evaluate the print parameters. This is
// roughly equivalent to the kernel's no_printk function. We use this instead
// because:
// 1) no_printk was not available until 2.6.36
// 2) Until 4.5 no_printk was implemented as a static function, meaning its
// parameters were always evaluated
#define UVM_NO_PRINT(fmt, ...) \
do { \
if (0) \
printk(fmt, ##__VA_ARGS__); \
} while (0)
#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)
{
@@ -141,25 +130,6 @@ static inline NvU64 NV_GETTIME(void)
return (NvU64) timespec64_to_ns(&tm);
}
// atomic_long_read_acquire and atomic_long_set_release were added in commit
// b5d47ef9ea5c5fe31d7eabeb79f697629bd9e2cb ("locking/atomics: Switch to
// generated atomic-long") in v5.1 (2019-05-05).
// TODO: Bug 3849079: We always use these definitions on newer kernels.
#define atomic_long_read_acquire uvm_atomic_long_read_acquire
static inline long uvm_atomic_long_read_acquire(atomic_long_t *p)
{
long val = atomic_long_read(p);
smp_mb();
return val;
}
#define atomic_long_set_release uvm_atomic_long_set_release
static inline void uvm_atomic_long_set_release(atomic_long_t *p, long v)
{
smp_mb();
atomic_long_set(p, v);
}
typedef struct
{
struct mem_cgroup *new_memcg;