Home
last modified time | relevance | path

Searched refs:smap (Results 1 – 7 of 7) sorted by relevance

/Linux-v4.19/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
[all …]
/Linux-v4.19/kernel/bpf/
Dstackmap.c64 static int prealloc_elems_and_freelist(struct bpf_stack_map *smap) in prealloc_elems_and_freelist() argument
66 u32 elem_size = sizeof(struct stack_map_bucket) + smap->map.value_size; in prealloc_elems_and_freelist()
69 smap->elems = bpf_map_area_alloc(elem_size * smap->map.max_entries, in prealloc_elems_and_freelist()
70 smap->map.numa_node); in prealloc_elems_and_freelist()
71 if (!smap->elems) in prealloc_elems_and_freelist()
74 err = pcpu_freelist_init(&smap->freelist); in prealloc_elems_and_freelist()
78 pcpu_freelist_populate(&smap->freelist, smap->elems, elem_size, in prealloc_elems_and_freelist()
79 smap->map.max_entries); in prealloc_elems_and_freelist()
83 bpf_map_area_free(smap->elems); in prealloc_elems_and_freelist()
91 struct bpf_stack_map *smap; in stack_map_alloc() local
[all …]
/Linux-v4.19/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
305 n = pagevec_lookup(&pvec, smap, &index); in nilfs_copy_back_pages()
325 xa_lock_irq(&smap->i_pages); in nilfs_copy_back_pages()
326 page2 = radix_tree_delete(&smap->i_pages, offset); in nilfs_copy_back_pages()
329 smap->nrpages--; in nilfs_copy_back_pages()
330 xa_unlock_irq(&smap->i_pages); in nilfs_copy_back_pages()
/Linux-v4.19/arch/x86/kvm/
Dmmu.h181 unsigned long smap = (cpl - 3) & (rflags & X86_EFLAGS_AC); in permission_fault() local
183 (smap >> (X86_EFLAGS_AC_BIT - PFERR_RSVD_BIT + 1)); in permission_fault()
Dmmu.c4791 bool smap = kvm_read_cr4_bits(vcpu, X86_CR4_SMAP); in kvm_calc_shadow_mmu_root_page_role() local
4797 role.smap_andnot_wp = smap && !is_write_protection(vcpu); in kvm_calc_shadow_mmu_root_page_role()
/Linux-v4.19/fs/ocfs2/dlm/
Ddlmdomain.c66 static inline void byte_copymap(u8 dmap[], unsigned long smap[], in byte_copymap() argument
76 if (test_bit(nn, smap)) in byte_copymap()
/Linux-v4.19/Documentation/virtual/kvm/
Dmmu.txt173 Contains the value of cr4.smap && !cr0.wp for which the page is valid