| /kernel/linux/linux-5.10/lib/ |
| D | test_user_copy.c | 47 static int test_check_nonzero_user(char *kmem, char __user *umem, size_t size) in test_check_nonzero_user() argument
64 kmem += start; in test_check_nonzero_user()
81 memset(kmem, 0x0, size); in test_check_nonzero_user()
83 kmem[i] = 0xff; in test_check_nonzero_user()
85 kmem[i] = 0xff; in test_check_nonzero_user()
87 ret |= test(copy_to_user(umem, kmem, size), in test_check_nonzero_user()
94 int expected = is_zeroed(kmem + start, len); in test_check_nonzero_user()
105 static int test_copy_struct_from_user(char *kmem, char __user *umem, in test_copy_struct_from_user() argument
133 memset(kmem, 0x0, size); in test_copy_struct_from_user()
134 ret |= test(copy_struct_from_user(kmem, ksize, umem, usize), in test_copy_struct_from_user()
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| D | test_kasan_module.c | 22 char *kmem; in copy_user_test() local
27 kmem = kmalloc(size, GFP_KERNEL); in copy_user_test()
28 if (!kmem) in copy_user_test()
36 kfree(kmem); in copy_user_test()
41 unused = copy_from_user(kmem, usermem, size + 1 + OOB_TAG_OFF); in copy_user_test()
44 unused = copy_to_user(usermem, kmem, size + 1 + OOB_TAG_OFF); in copy_user_test()
47 unused = __copy_from_user(kmem, usermem, size + 1 + OOB_TAG_OFF); in copy_user_test()
50 unused = __copy_to_user(usermem, kmem, size + 1 + OOB_TAG_OFF); in copy_user_test()
53 unused = __copy_from_user_inatomic(kmem, usermem, size + 1 + OOB_TAG_OFF); in copy_user_test()
56 unused = __copy_to_user_inatomic(usermem, kmem, size + 1 + OOB_TAG_OFF); in copy_user_test()
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| /kernel/linux/linux-5.10/tools/perf/Documentation/ |
| D | examples.txt | 14 kmem:kmalloc [Tracepoint event]
15 kmem:kmem_cache_alloc [Tracepoint event]
16 kmem:kmalloc_node [Tracepoint event]
17 kmem:kmem_cache_alloc_node [Tracepoint event]
18 kmem:kfree [Tracepoint event]
19 kmem:kmem_cache_free [Tracepoint event]
20 kmem:mm_page_free [Tracepoint event]
21 kmem:mm_page_free_batched [Tracepoint event]
22 kmem:mm_page_alloc [Tracepoint event]
23 kmem:mm_page_alloc_zone_locked [Tracepoint event]
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| D | perf-kmem.txt | 1 perf-kmem(1)
6 perf-kmem - Tool to trace/measure kernel memory properties
11 'perf kmem' {record|stat} [<options>]
15 There are two variants of perf kmem:
17 'perf kmem record <command>' to record the kmem events
20 'perf kmem stat' to report kernel memory statistics.
64 Show live page stat. The perf kmem shows total allocation stat by
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| /kernel/linux/linux-5.10/Documentation/trace/ |
| D | tracepoint-analysis.rst | 98 -e kmem:mm_page_alloc -e kmem:mm_page_free \
99 -e kmem:mm_page_free_batched \
103 9630 kmem:mm_page_alloc
104 2143 kmem:mm_page_free
105 7424 kmem:mm_page_free_batched
125 $ perf stat -e kmem:mm_page_alloc -e kmem:mm_page_free \
126 -e kmem:mm_page_free_batched ./hackbench 10
131 17803 kmem:mm_page_alloc
132 12398 kmem:mm_page_free
133 4827 kmem:mm_page_free_batched
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| D | index.rst | 17 events-kmem
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| D | events.rst | 411 # echo 'enable_event:kmem:kmalloc:1' > \
418 # echo 'disable_event:kmem:kmalloc' > \
428 # echo '!enable_event:kmem:kmalloc:1' > \
431 # echo '!disable_event:kmem:kmalloc' > \
437 kmem:kmalloc and sched:sched_switch, but can't have two kmem:kmalloc
438 versions such as kmem:kmalloc and kmem:kmalloc:1 or 'kmem:kmalloc if
439 bytes_req == 256' and 'kmem:kmalloc if bytes_alloc == 256' (they
440 could be combined into a single filter on kmem:kmalloc though).
451 /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
457 /sys/kernel/debug/tracing/events/kmem/kmalloc/trigger
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| /kernel/linux/linux-5.10/tools/perf/scripts/perl/bin/ |
| D | check-perf-trace-record | 2 perf record -a -e kmem:kmalloc -e irq:softirq_entry -e kmem:kfree
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| /kernel/linux/linux-5.10/tools/testing/selftests/ftrace/test.d/trigger/ |
| D | trigger-hist-mod.tc | 45 echo 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger
47 grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \
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| /kernel/linux/linux-5.10/drivers/infiniband/hw/hns/ |
| D | hns_roce_mr.c | 732 if (mtr->kmem) { in mtr_free_bufs()
733 hns_roce_buf_free(hr_dev, mtr->kmem); in mtr_free_bufs()
734 kfree(mtr->kmem); in mtr_free_bufs()
735 mtr->kmem = NULL; in mtr_free_bufs()
760 mtr->kmem = NULL; in mtr_alloc_bufs()
782 mtr->kmem = kzalloc(sizeof(*mtr->kmem), GFP_KERNEL); in mtr_alloc_bufs()
783 if (!mtr->kmem) { in mtr_alloc_bufs()
790 mtr->kmem, buf_attr->page_shift); in mtr_alloc_bufs()
796 all_pg_count = mtr->kmem->npages; in mtr_alloc_bufs()
828 mtr->kmem); in mtr_get_pages()
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| /kernel/linux/linux-5.10/arch/x86/kernel/cpu/resctrl/ |
| D | pseudo_lock.c | 247 kfree(plr->kmem); in pseudo_lock_region_clear()
248 plr->kmem = NULL; in pseudo_lock_region_clear()
362 plr->kmem = kzalloc(plr->size, GFP_KERNEL); in pseudo_lock_region_alloc()
363 if (!plr->kmem) { in pseudo_lock_region_alloc()
467 mem_r = plr->kmem; in pseudo_lock_fn()
883 mem_r = READ_ONCE(plr->kmem); in measure_cycles_lat_fn()
988 mem_r = READ_ONCE(plr->kmem); in measure_residency_fn()
1513 physical = __pa(plr->kmem) >> PAGE_SHIFT; in pseudo_lock_dev_mmap()
1535 memset(plr->kmem + off, 0, vsize); in pseudo_lock_dev_mmap()
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| /kernel/linux/linux-5.10/drivers/crypto/nx/ |
| D | nx.c | 308 memset(nx_ctx->kmem, 0, nx_ctx->kmem_len); in nx_ctx_init()
669 nx_ctx->kmem = kmalloc(nx_ctx->kmem_len, GFP_KERNEL); in nx_crypto_ctx_init()
670 if (!nx_ctx->kmem) in nx_crypto_ctx_init()
674 nx_ctx->csbcpb = (struct nx_csbcpb *)(round_up((u64)nx_ctx->kmem, in nx_crypto_ctx_init()
749 kfree_sensitive(nx_ctx->kmem); in nx_crypto_ctx_exit()
765 kfree_sensitive(nx_ctx->kmem); in nx_crypto_ctx_aead_exit()
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| /kernel/linux/linux-5.10/drivers/dax/ |
| D | Makefile | 4 obj-$(CONFIG_DEV_DAX_KMEM) += kmem.o
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| /kernel/linux/build/test/syzkaller/qos_auth/ |
| D | kmemtcpusage_in_bytes.txt | 7 openat$fd_kmemtcpusage_in_bytes(fd const[AT_FDCWD], file ptr[in, string["/dev/memcg/memory.kmem.tcp…
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| D | kmemusage_in_bytes.txt | 7 openat$fd_kmemusage_in_bytes(fd const[AT_FDCWD], file ptr[in, string["/dev/memcg/memory.kmem.usage_…
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| D | kmemtcplimit_in_bytes.txt | 7 openat$fd_kmemtcplimit_in_bytes(fd const[AT_FDCWD], file ptr[in, string["/dev/memcg/memory.kmem.tcp…
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| D | kmemmax_usage_in_bytes.txt | 7 openat$fd_kmemmax_usage_in_bytes(fd const[AT_FDCWD], file ptr[in, string["/dev/memcg/memory.kmem.ma…
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| D | kmemlimit_in_bytes.txt | 7 openat$fd_kmemlimit_in_bytes(fd const[AT_FDCWD], file ptr[in, string["/dev/memcg/memory.kmem.limit_…
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| D | kmemtcpmax_usage_in_bytes.txt | 7 openat$fd_kmemtcpmax_usage_in_bytes(fd const[AT_FDCWD], file ptr[in, string["/dev/memcg/memory.kmem…
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| D | kmemfailcnt.txt | 7 openat$fd_kmemfailcnt(fd const[AT_FDCWD], file ptr[in, string["/dev/memcg/memory.kmem.failcnt"]], f…
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| D | kmemtcpfailcnt.txt | 7 openat$fd_kmemtcpfailcnt(fd const[AT_FDCWD], file ptr[in, string["/dev/memcg/memory.kmem.tcp.failcn…
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| /kernel/linux/linux-5.10/Documentation/admin-guide/cgroup-v1/ |
| D | memory.rst | 88 memory.kmem.limit_in_bytes set/show hard limit for kernel memory
92 memory.kmem.usage_in_bytes show current kernel memory allocation
93 memory.kmem.failcnt show the number of kernel memory usage
95 memory.kmem.max_usage_in_bytes show max kernel memory usage recorded
97 memory.kmem.tcp.limit_in_bytes set/show hard limit for tcp buf memory
98 memory.kmem.tcp.usage_in_bytes show current tcp buf memory allocation
99 memory.kmem.tcp.failcnt show the number of tcp buf memory usage
101 memory.kmem.tcp.max_usage_in_bytes show max tcp buf memory usage recorded
312 it can be enabled system-wide by passing cgroup.memory=kmem to the kernel
317 memory.kmem.usage_in_bytes, or in a separate counter when it makes sense.
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| /kernel/linux/linux-5.10/tools/perf/scripts/perl/ |
| D | check-perf-trace.pl | 43 sub kmem::kmalloc subroutine
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| /kernel/linux/linux-5.10/tools/perf/ |
| D | command-list.txt | 18 perf-kmem mainporcelain common
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| /kernel/linux/linux-5.10/drivers/infiniband/hw/i40iw/ |
| D | i40iw_verbs.h | 113 struct i40iw_dma_mem kmem; member
|