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Searched refs:smap (Results 1 – 8 of 8) sorted by relevance

/Linux-v5.4/net/core/
Dbpf_sk_storage.c62 struct bpf_sk_storage_map __rcu *smap; member
93 static struct bucket *select_bucket(struct bpf_sk_storage_map *smap, in select_bucket() argument
96 return &smap->buckets[hash_ptr(selem, smap->bucket_log)]; in select_bucket()
121 static struct bpf_sk_storage_elem *selem_alloc(struct bpf_sk_storage_map *smap, in selem_alloc() argument
127 if (charge_omem && omem_charge(sk, smap->elem_size)) in selem_alloc()
130 selem = kzalloc(smap->elem_size, GFP_ATOMIC | __GFP_NOWARN); in selem_alloc()
133 memcpy(SDATA(selem)->data, value, smap->map.value_size); in selem_alloc()
138 atomic_sub(smap->elem_size, &sk->sk_omem_alloc); in selem_alloc()
151 struct bpf_sk_storage_map *smap; in __selem_unlink_sk() local
155 smap = rcu_dereference(SDATA(selem)->smap); in __selem_unlink_sk()
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/Linux-v5.4/tools/testing/selftests/vm/
Dmap_populate.c33 static int parent_f(int sock, unsigned long *smap, int child) in parent_f() argument
40 *smap = 0x22222BAD; in parent_f()
41 ret = msync(smap, MMAP_SZ, MS_SYNC); in parent_f()
53 static int child_f(int sock, unsigned long *smap, int fd) in child_f() argument
57 smap = mmap(0, MMAP_SZ, PROT_READ | PROT_WRITE, in child_f()
59 BUG_ON(smap == MAP_FAILED, "mmap()"); in child_f()
61 BUG_ON(*smap != 0xdeadbabe, "MAP_PRIVATE | MAP_POPULATE changed file"); in child_f()
69 BUG_ON(*smap == 0x22222BAD, "MAP_POPULATE didn't COW private page"); in child_f()
70 BUG_ON(*smap != 0xdeadbabe, "mapping was corrupted"); in child_f()
79 unsigned long *smap; in main() local
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/Linux-v5.4/kernel/bpf/
Dstackmap.c61 static int prealloc_elems_and_freelist(struct bpf_stack_map *smap) in prealloc_elems_and_freelist() argument
63 u32 elem_size = sizeof(struct stack_map_bucket) + smap->map.value_size; in prealloc_elems_and_freelist()
66 smap->elems = bpf_map_area_alloc(elem_size * smap->map.max_entries, in prealloc_elems_and_freelist()
67 smap->map.numa_node); in prealloc_elems_and_freelist()
68 if (!smap->elems) in prealloc_elems_and_freelist()
71 err = pcpu_freelist_init(&smap->freelist); in prealloc_elems_and_freelist()
75 pcpu_freelist_populate(&smap->freelist, smap->elems, elem_size, in prealloc_elems_and_freelist()
76 smap->map.max_entries); in prealloc_elems_and_freelist()
80 bpf_map_area_free(smap->elems); in prealloc_elems_and_freelist()
88 struct bpf_stack_map *smap; in stack_map_alloc() local
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/Linux-v5.4/fs/nilfs2/
Dpage.c242 struct address_space *smap) in nilfs_copy_dirty_pages() argument
251 if (!pagevec_lookup_tag(&pvec, smap, &index, PAGECACHE_TAG_DIRTY)) in nilfs_copy_dirty_pages()
296 struct address_space *smap) in nilfs_copy_back_pages() argument
304 n = pagevec_lookup(&pvec, smap, &index); in nilfs_copy_back_pages()
325 xa_lock_irq(&smap->i_pages); in nilfs_copy_back_pages()
326 p = __xa_erase(&smap->i_pages, offset); in nilfs_copy_back_pages()
328 smap->nrpages--; in nilfs_copy_back_pages()
329 xa_unlock_irq(&smap->i_pages); in nilfs_copy_back_pages()
/Linux-v5.4/arch/x86/kvm/
Dmmu.h176 unsigned long smap = (cpl - 3) & (rflags & X86_EFLAGS_AC); in permission_fault() local
178 (smap >> (X86_EFLAGS_AC_BIT - PFERR_RSVD_BIT + 1)); in permission_fault()
Dsvm.c7112 bool smap = cr4 & X86_CR4_SMAP; in svm_need_emulation_on_page_fault() local
7155 if (smap && (!smep || is_user)) { in svm_need_emulation_on_page_fault()
/Linux-v5.4/fs/ocfs2/dlm/
Ddlmdomain.c51 static inline void byte_copymap(u8 dmap[], unsigned long smap[], in byte_copymap() argument
61 if (test_bit(nn, smap)) in byte_copymap()
/Linux-v5.4/Documentation/virt/kvm/
Dmmu.txt173 Contains the value of cr4.smap && !cr0.wp for which the page is valid