Contributors: 19
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Alexey Dobriyan |
65 |
28.76% |
1 |
5.00% |
| Kefeng Wang |
61 |
26.99% |
1 |
5.00% |
| Heiko Carstens |
19 |
8.41% |
1 |
5.00% |
| Liam R. Howlett |
17 |
7.52% |
1 |
5.00% |
| Suren Baghdasaryan |
10 |
4.42% |
1 |
5.00% |
| Jason Gunthorpe |
10 |
4.42% |
1 |
5.00% |
| Eric W. Biedermann |
8 |
3.54% |
1 |
5.00% |
| Rik Van Riel |
5 |
2.21% |
1 |
5.00% |
| Mateusz Guzik |
5 |
2.21% |
1 |
5.00% |
| Yang Shi |
5 |
2.21% |
1 |
5.00% |
| Mike Rapoport |
4 |
1.77% |
2 |
10.00% |
| Chris Zankel |
4 |
1.77% |
1 |
5.00% |
| Linus Torvalds |
4 |
1.77% |
1 |
5.00% |
| Ben Dooks |
3 |
1.33% |
1 |
5.00% |
| Fenghua Yu |
2 |
0.88% |
1 |
5.00% |
| Mikael Starvik |
1 |
0.44% |
1 |
5.00% |
| Michel Lespinasse |
1 |
0.44% |
1 |
5.00% |
| Greg Kroah-Hartman |
1 |
0.44% |
1 |
5.00% |
| Jacob jun Pan |
1 |
0.44% |
1 |
5.00% |
| Total |
226 |
|
20 |
|
// SPDX-License-Identifier: GPL-2.0
#include <linux/mm_types.h>
#include <linux/maple_tree.h>
#include <linux/rwsem.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/cpumask.h>
#include <linux/mman.h>
#include <linux/pgtable.h>
#include <linux/atomic.h>
#include <linux/user_namespace.h>
#include <linux/iommu.h>
#include <asm/mmu.h>
#ifndef INIT_MM_CONTEXT
#define INIT_MM_CONTEXT(name)
#endif
const struct vm_operations_struct vma_dummy_vm_ops;
/*
* For dynamically allocated mm_structs, there is a dynamically sized cpumask
* at the end of the structure, the size of which depends on the maximum CPU
* number the system can see. That way we allocate only as much memory for
* mm_cpumask() as needed for the hundreds, or thousands of processes that
* a system typically runs.
*
* Since there is only one init_mm in the entire system, keep it simple
* and size this cpu_bitmask to NR_CPUS.
*/
struct mm_struct init_mm = {
.mm_mt = MTREE_INIT_EXT(mm_mt, MM_MT_FLAGS, init_mm.mmap_lock),
.pgd = swapper_pg_dir,
.mm_users = ATOMIC_INIT(2),
.mm_count = ATOMIC_INIT(1),
.write_protect_seq = SEQCNT_ZERO(init_mm.write_protect_seq),
MMAP_LOCK_INITIALIZER(init_mm)
.page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock),
.arg_lock = __SPIN_LOCK_UNLOCKED(init_mm.arg_lock),
.mmlist = LIST_HEAD_INIT(init_mm.mmlist),
#ifdef CONFIG_PER_VMA_LOCK
.mm_lock_seq = 0,
#endif
.user_ns = &init_user_ns,
.cpu_bitmap = CPU_BITS_NONE,
INIT_MM_CONTEXT(init_mm)
};
void setup_initial_init_mm(void *start_code, void *end_code,
void *end_data, void *brk)
{
init_mm.start_code = (unsigned long)start_code;
init_mm.end_code = (unsigned long)end_code;
init_mm.end_data = (unsigned long)end_data;
init_mm.brk = (unsigned long)brk;
}