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

/kernel/dma/
Dcoherent.c18 unsigned long *bitmap; member
55 dma_mem->bitmap = bitmap_zalloc(pages, GFP_KERNEL); in dma_init_coherent_memory()
56 if (!dma_mem->bitmap) in dma_init_coherent_memory()
83 bitmap_free(mem->bitmap); in _dma_release_coherent_memory()
155 pageno = bitmap_find_free_region(mem->bitmap, mem->size, order); in __dma_alloc_from_coherent()
208 bitmap_release_region(mem->bitmap, page, order); in __dma_release_from_coherent()
/kernel/
Dwatch_queue.c243 unsigned long *bitmap; in watch_queue_set_size() local
285 bitmap = bitmap_alloc(nr_notes, GFP_KERNEL); in watch_queue_set_size()
286 if (!bitmap) in watch_queue_set_size()
289 bitmap_fill(bitmap, nr_notes); in watch_queue_set_size()
291 wqueue->notes_bitmap = bitmap; in watch_queue_set_size()
Dseccomp.c346 static inline bool seccomp_cache_check_allow_bitmap(const void *bitmap, in seccomp_cache_check_allow_bitmap() argument
354 return test_bit(syscall_nr, bitmap); in seccomp_cache_check_allow_bitmap()
794 void *bitmap, const void *bitmap_prev, in seccomp_cache_prepare_bitmap() argument
803 bitmap_copy(bitmap, bitmap_prev, bitmap_size); in seccomp_cache_prepare_bitmap()
806 bitmap_fill(bitmap, bitmap_size); in seccomp_cache_prepare_bitmap()
811 if (!test_bit(nr, bitmap)) in seccomp_cache_prepare_bitmap()
825 __clear_bit(nr, bitmap); in seccomp_cache_prepare_bitmap()
2413 const void *bitmap, size_t bitmap_size) in device_initcall()
2418 bool cached = test_bit(nr, bitmap); in device_initcall()
Dsysctl.c1392 unsigned long *bitmap = *(unsigned long **) table->data; in proc_do_large_bitmap() local
1396 if (!bitmap || !bitmap_len || !left || (*ppos && !write)) { in proc_do_large_bitmap()
1482 bit_a = find_next_bit(bitmap, bitmap_len, bit_b); in proc_do_large_bitmap()
1485 bit_b = find_next_zero_bit(bitmap, bitmap_len, in proc_do_large_bitmap()
1504 bitmap_or(bitmap, bitmap, tmp_bitmap, bitmap_len); in proc_do_large_bitmap()
1506 bitmap_copy(bitmap, tmp_bitmap, bitmap_len); in proc_do_large_bitmap()
/kernel/events/
Duprobes.c101 unsigned long *bitmap; /* 0 = free slot */ member
1490 area->bitmap = kcalloc(BITS_TO_LONGS(UINSNS_PER_PAGE), sizeof(long), in __create_xol_area()
1492 if (!area->bitmap) in __create_xol_area()
1506 set_bit(0, area->bitmap); in __create_xol_area()
1515 kfree(area->bitmap); in __create_xol_area()
1556 kfree(area->bitmap); in uprobe_clear_state()
1588 slot_nr = find_first_zero_bit(area->bitmap, UINSNS_PER_PAGE); in xol_take_insn_slot()
1590 if (!test_and_set_bit(slot_nr, area->bitmap)) in xol_take_insn_slot()
1657 clear_bit(slot_nr, area->bitmap); in xol_free_insn_slot()
/kernel/sched/
Drt.c144 __clear_bit(i, array->bitmap); in init_rt_rq()
147 __set_bit(MAX_RT_PRIO, array->bitmap); in init_rt_rq()
1213 sched_find_first_bit(array->bitmap); in dec_rt_prio()
1334 __clear_bit(rt_se_prio(rt_se), array->bitmap); in __delist_rt_entity()
1471 __set_bit(rt_se_prio(rt_se), array->bitmap); in __enqueue_rt_entity()
1868 idx = sched_find_first_bit(array->bitmap); in pick_next_rt_entity()
Dsched.h277 DECLARE_BITMAP(bitmap, MAX_RT_PRIO+1); /* include 1 bit for delimiter */
/kernel/bpf/
Dcore.c830 unsigned long bitmap[]; member
858 pack = kzalloc(struct_size(pack, bitmap, BITS_TO_LONGS(BPF_PROG_CHUNK_COUNT)), in alloc_new_pack()
868 bitmap_zero(pack->bitmap, BPF_PROG_PACK_SIZE / BPF_PROG_CHUNK_SIZE); in alloc_new_pack()
897 pos = bitmap_find_next_zero_area(pack->bitmap, BPF_PROG_CHUNK_COUNT, 0, in bpf_prog_pack_alloc()
910 bitmap_set(pack->bitmap, pos, nbits); in bpf_prog_pack_alloc()
946 bitmap_clear(pack->bitmap, pos, nbits); in bpf_prog_pack_free()
947 if (bitmap_find_next_zero_area(pack->bitmap, BPF_PROG_CHUNK_COUNT, 0, in bpf_prog_pack_free()