| /linux-6.1.9/drivers/md/ |
| D | md-bitmap.c | 35 static inline char *bmname(struct bitmap *bitmap) in bmname() argument
37 return bitmap->mddev ? mdname(bitmap->mddev) : "mdX"; in bmname()
50 static int md_bitmap_checkpage(struct bitmap_counts *bitmap, in md_bitmap_checkpage() argument
52 __releases(bitmap->lock) in md_bitmap_checkpage()
53 __acquires(bitmap->lock) in md_bitmap_checkpage()
57 if (page >= bitmap->pages) { in md_bitmap_checkpage()
65 if (bitmap->bp[page].hijacked) /* it's hijacked, don't try to alloc */ in md_bitmap_checkpage()
68 if (bitmap->bp[page].map) /* page is already allocated, just return */ in md_bitmap_checkpage()
76 spin_unlock_irq(&bitmap->lock); in md_bitmap_checkpage()
91 spin_lock_irq(&bitmap->lock); in md_bitmap_checkpage()
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| D | md-bitmap.h | 180 struct bitmap { struct
239 struct bitmap *md_bitmap_create(struct mddev *mddev, int slot);
244 void md_bitmap_print_sb(struct bitmap *bitmap);
245 void md_bitmap_update_sb(struct bitmap *bitmap);
246 void md_bitmap_status(struct seq_file *seq, struct bitmap *bitmap);
248 int md_bitmap_setallbits(struct bitmap *bitmap);
249 void md_bitmap_write_all(struct bitmap *bitmap);
251 void md_bitmap_dirty_bits(struct bitmap *bitmap, unsigned long s, unsigned long e);
254 int md_bitmap_startwrite(struct bitmap *bitmap, sector_t offset,
256 void md_bitmap_endwrite(struct bitmap *bitmap, sector_t offset,
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| /linux-6.1.9/drivers/vfio/ |
| D | iova_bitmap.c | 102 u64 __user *bitmap; member
126 static unsigned long iova_bitmap_offset_to_index(struct iova_bitmap *bitmap, in iova_bitmap_offset_to_index() argument
129 unsigned long pgsize = 1 << bitmap->mapped.pgshift; in iova_bitmap_offset_to_index()
131 return iova / (BITS_PER_TYPE(*bitmap->bitmap) * pgsize); in iova_bitmap_offset_to_index()
137 static unsigned long iova_bitmap_index_to_offset(struct iova_bitmap *bitmap, in iova_bitmap_index_to_offset() argument
140 unsigned long pgshift = bitmap->mapped.pgshift; in iova_bitmap_index_to_offset()
142 return (index * BITS_PER_TYPE(*bitmap->bitmap)) << pgshift; in iova_bitmap_index_to_offset()
148 static unsigned long iova_bitmap_mapped_iova(struct iova_bitmap *bitmap) in iova_bitmap_mapped_iova() argument
150 unsigned long skip = bitmap->mapped_base_index; in iova_bitmap_mapped_iova()
152 return bitmap->iova + iova_bitmap_index_to_offset(bitmap, skip); in iova_bitmap_mapped_iova()
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| /linux-6.1.9/lib/ |
| D | find_bit_benchmark.c | 29 static DECLARE_BITMAP(bitmap, BITMAP_LEN) __initdata;
36 static int __init test_find_first_bit(void *bitmap, unsigned long len) in test_find_first_bit() argument
43 i = find_first_bit(bitmap, len); in test_find_first_bit()
44 __clear_bit(i, bitmap); in test_find_first_bit()
52 static int __init test_find_first_and_bit(void *bitmap, const void *bitmap2, unsigned long len) in test_find_first_and_bit() argument
58 bitmap_copy(cp, bitmap, BITMAP_LEN); in test_find_first_and_bit()
71 static int __init test_find_next_bit(const void *bitmap, unsigned long len) in test_find_next_bit() argument
78 i = find_next_bit(bitmap, BITMAP_LEN, i) + 1; in test_find_next_bit()
85 static int __init test_find_next_zero_bit(const void *bitmap, unsigned long len) in test_find_next_zero_bit() argument
92 i = find_next_zero_bit(bitmap, len, i) + 1; in test_find_next_zero_bit()
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| D | idr.c | 386 struct ida_bitmap *bitmap, *alloc = NULL; in ida_alloc_range() local
397 bitmap = xas_find_marked(&xas, max / IDA_BITMAP_BITS, XA_FREE_MARK); in ida_alloc_range()
403 if (xa_is_value(bitmap)) { in ida_alloc_range()
404 unsigned long tmp = xa_to_value(bitmap); in ida_alloc_range()
416 bitmap = alloc; in ida_alloc_range()
417 if (!bitmap) in ida_alloc_range()
418 bitmap = kzalloc(sizeof(*bitmap), GFP_NOWAIT); in ida_alloc_range()
419 if (!bitmap) in ida_alloc_range()
421 bitmap->bitmap[0] = tmp; in ida_alloc_range()
422 xas_store(&xas, bitmap); in ida_alloc_range()
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| D | memweight.c | 15 const unsigned char *bitmap = ptr; in memweight() local
17 for (; bytes > 0 && ((unsigned long)bitmap) % sizeof(long); in memweight()
18 bytes--, bitmap++) in memweight()
19 ret += hweight8(*bitmap); in memweight()
24 ret += bitmap_weight((unsigned long *)bitmap, in memweight()
27 bitmap += longs * sizeof(long); in memweight()
34 for (; bytes > 0; bytes--, bitmap++) in memweight()
35 ret += hweight8(*bitmap); in memweight()
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| D | bitmap.c | 349 unsigned int __bitmap_weight(const unsigned long *bitmap, unsigned int bits) in __bitmap_weight() argument
351 return BITMAP_WEIGHT(bitmap[idx], bits); in __bitmap_weight()
653 static void bitmap_set_region(const struct region *r, unsigned long *bitmap) in bitmap_set_region() argument
658 bitmap_set(bitmap, start, min(r->end - start + 1, r->off)); in bitmap_set_region()
911 u32 *bitmap = (u32 *)maskp; in bitmap_parse() local
924 end = bitmap_get_x32_reverse(start, end, &bitmap[chunk ^ 1]); in bitmap_parse()
926 end = bitmap_get_x32_reverse(start, end, &bitmap[chunk]); in bitmap_parse()
1247 static int __reg_op(unsigned long *bitmap, unsigned int pos, int order, int reg_op) in __reg_op() argument
1279 if (bitmap[index + i] & mask) in __reg_op()
1287 bitmap[index + i] |= mask; in __reg_op()
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| /linux-6.1.9/drivers/net/ethernet/mellanox/mlx4/ |
| D | alloc.c | 44 u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap) in mlx4_bitmap_alloc() argument
48 spin_lock(&bitmap->lock); in mlx4_bitmap_alloc()
50 obj = find_next_zero_bit(bitmap->table, bitmap->max, bitmap->last); in mlx4_bitmap_alloc()
51 if (obj >= bitmap->max) { in mlx4_bitmap_alloc()
52 bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top) in mlx4_bitmap_alloc()
53 & bitmap->mask; in mlx4_bitmap_alloc()
54 obj = find_first_zero_bit(bitmap->table, bitmap->max); in mlx4_bitmap_alloc()
57 if (obj < bitmap->max) { in mlx4_bitmap_alloc()
58 set_bit(obj, bitmap->table); in mlx4_bitmap_alloc()
59 bitmap->last = (obj + 1); in mlx4_bitmap_alloc()
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| /linux-6.1.9/fs/afs/ |
| D | dir_edit.c | 25 u64 bitmap; in afs_find_contig_bits() local
29 bitmap = (u64)block->hdr.bitmap[0] << 0 * 8; in afs_find_contig_bits()
30 bitmap |= (u64)block->hdr.bitmap[1] << 1 * 8; in afs_find_contig_bits()
31 bitmap |= (u64)block->hdr.bitmap[2] << 2 * 8; in afs_find_contig_bits()
32 bitmap |= (u64)block->hdr.bitmap[3] << 3 * 8; in afs_find_contig_bits()
33 bitmap |= (u64)block->hdr.bitmap[4] << 4 * 8; in afs_find_contig_bits()
34 bitmap |= (u64)block->hdr.bitmap[5] << 5 * 8; in afs_find_contig_bits()
35 bitmap |= (u64)block->hdr.bitmap[6] << 6 * 8; in afs_find_contig_bits()
36 bitmap |= (u64)block->hdr.bitmap[7] << 7 * 8; in afs_find_contig_bits()
37 bitmap >>= 1; /* The first entry is metadata */ in afs_find_contig_bits()
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| /linux-6.1.9/fs/xfs/scrub/ |
| D | bitmap.h | 19 void xbitmap_init(struct xbitmap *bitmap);
20 void xbitmap_destroy(struct xbitmap *bitmap);
22 #define for_each_xbitmap_extent(bex, n, bitmap) \ argument
23 list_for_each_entry_safe((bex), (n), &(bitmap)->list, list)
25 #define for_each_xbitmap_block(b, bex, n, bitmap) \ argument
26 list_for_each_entry_safe((bex), (n), &(bitmap)->list, list) \
29 int xbitmap_set(struct xbitmap *bitmap, uint64_t start, uint64_t len);
30 int xbitmap_disunion(struct xbitmap *bitmap, struct xbitmap *sub);
31 int xbitmap_set_btcur_path(struct xbitmap *bitmap,
33 int xbitmap_set_btblocks(struct xbitmap *bitmap,
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| D | bitmap.c | 22 struct xbitmap *bitmap, in xbitmap_set() argument
35 list_add_tail(&bmr->list, &bitmap->list); in xbitmap_set()
43 struct xbitmap *bitmap) in xbitmap_destroy() argument
48 for_each_xbitmap_extent(bmr, n, bitmap) { in xbitmap_destroy()
57 struct xbitmap *bitmap) in xbitmap_init() argument
59 INIT_LIST_HEAD(&bitmap->list); in xbitmap_init()
100 struct xbitmap *bitmap, in xbitmap_disunion() argument
112 if (list_empty(&bitmap->list) || list_empty(&sub->list)) in xbitmap_disunion()
116 list_sort(NULL, &bitmap->list, xbitmap_range_cmp); in xbitmap_disunion()
129 lp = bitmap->list.next; in xbitmap_disunion()
[all …]
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| /linux-6.1.9/arch/powerpc/sysdev/ |
| D | msi_bitmap.c | 22 offset = bitmap_find_next_zero_area(bmp->bitmap, bmp->irq_count, 0, in msi_bitmap_alloc_hwirqs()
27 bitmap_set(bmp->bitmap, offset, num); in msi_bitmap_alloc_hwirqs()
48 bitmap_clear(bmp->bitmap, offset, num); in msi_bitmap_free_hwirqs()
60 bitmap_allocate_region(bmp->bitmap, hwirq, 0); in msi_bitmap_reserve_hwirq()
96 bitmap_allocate_region(bmp->bitmap, 0, get_count_order(bmp->irq_count)); in msi_bitmap_reserve_dt_hwirqs()
104 bitmap_release_region(bmp->bitmap, *p + j, 0); in msi_bitmap_reserve_dt_hwirqs()
125 bmp->bitmap = kzalloc(size, GFP_KERNEL); in msi_bitmap_alloc()
127 bmp->bitmap = memblock_alloc(size, SMP_CACHE_BYTES); in msi_bitmap_alloc()
128 if (!bmp->bitmap) in msi_bitmap_alloc()
132 kmemleak_not_leak(bmp->bitmap); in msi_bitmap_alloc()
[all …]
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| /linux-6.1.9/drivers/net/ethernet/mellanox/mlx5/core/steering/ |
| D | dr_buddy.c | 21 buddy->bitmap = kcalloc(buddy->max_order + 1, in mlx5dr_buddy_init()
22 sizeof(*buddy->bitmap), in mlx5dr_buddy_init()
28 if (!buddy->bitmap || !buddy->num_free) in mlx5dr_buddy_init()
36 buddy->bitmap[i] = bitmap_zalloc(size, GFP_KERNEL); in mlx5dr_buddy_init()
37 if (!buddy->bitmap[i]) in mlx5dr_buddy_init()
45 bitmap_set(buddy->bitmap[buddy->max_order], 0, 1); in mlx5dr_buddy_init()
53 bitmap_free(buddy->bitmap[i]); in mlx5dr_buddy_init()
57 kfree(buddy->bitmap); in mlx5dr_buddy_init()
68 bitmap_free(buddy->bitmap[i]); in mlx5dr_buddy_cleanup()
71 kfree(buddy->bitmap); in mlx5dr_buddy_cleanup()
[all …]
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| /linux-6.1.9/drivers/s390/cio/ |
| D | idset.c | 16 unsigned long bitmap[]; member
32 memset(set->bitmap, 0, bitmap_size(num_ssid, num_id)); in idset_new()
44 memset(set->bitmap, 0xff, bitmap_size(set->num_ssid, set->num_id)); in idset_fill()
49 set_bit(ssid * set->num_id + id, set->bitmap); in idset_add()
54 clear_bit(ssid * set->num_id + id, set->bitmap); in idset_del()
59 return test_bit(ssid * set->num_id + id, set->bitmap); in idset_contains()
82 bitmap_clear(set->bitmap, pos, set->num_id - schid.sch_no); in idset_sch_del_subseq()
92 return bitmap_empty(set->bitmap, set->num_ssid * set->num_id); in idset_is_empty()
99 bitmap_or(to->bitmap, to->bitmap, from->bitmap, len); in idset_add_set()
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| /linux-6.1.9/drivers/gpu/drm/i915/selftests/ |
| D | i915_syncmap.c | 62 for_each_set_bit(i, (unsigned long *)&p->bitmap, KSYNCMAP) { in __sync_print()
77 for_each_set_bit(i, (unsigned long *)&p->bitmap, KSYNCMAP) { in __sync_print()
80 last << 1 | !!(p->bitmap >> (i + 1)), in __sync_print()
183 if (hweight32((*sync)->bitmap) != 1) { in check_one()
185 (*sync)->bitmap, hweight32((*sync)->bitmap)); in check_one()
189 err = check_seqno((*sync), ilog2((*sync)->bitmap), seqno); in check_one()
252 if (hweight32((*sync)->bitmap) != 1) { in check_leaf()
254 context, (*sync)->bitmap, hweight32((*sync)->bitmap)); in check_leaf()
258 err = check_seqno((*sync), ilog2((*sync)->bitmap), seqno); in check_leaf()
314 if (hweight32(join->bitmap) != 2) { in igt_syncmap_join_above()
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| /linux-6.1.9/fs/hfs/ |
| D | bitmap.c | 29 static u32 hfs_find_set_zero_bits(__be32 *bitmap, u32 size, u32 offset, u32 *max) in hfs_find_set_zero_bits() argument
40 curr = bitmap + (offset / 32); in hfs_find_set_zero_bits()
41 end = bitmap + ((size + 31) / 32); in hfs_find_set_zero_bits()
70 start = (curr - bitmap) * 32 + i; in hfs_find_set_zero_bits()
108 *max = (curr - bitmap) * 32 + i - start; in hfs_find_set_zero_bits()
141 void *bitmap; in hfs_vbm_search_free() local
149 bitmap = HFS_SB(sb)->bitmap; in hfs_vbm_search_free()
151 pos = hfs_find_set_zero_bits(bitmap, HFS_SB(sb)->fs_ablocks, goal, num_bits); in hfs_vbm_search_free()
154 pos = hfs_find_set_zero_bits(bitmap, goal, 0, num_bits); in hfs_vbm_search_free()
210 curr = HFS_SB(sb)->bitmap + (start / 32); in hfs_clear_vbm_bits()
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| /linux-6.1.9/fs/nfs/ |
| D | nfs4xdr.c | 992 const __u32 *bitmap, size_t len) in xdr_encode_bitmap4() argument
997 while (len > 0 && bitmap[len-1] == 0) in xdr_encode_bitmap4()
999 ret = xdr_stream_encode_uint32_array(xdr, bitmap, len); in xdr_encode_bitmap4()
1005 static size_t mask_bitmap4(const __u32 *bitmap, const __u32 *mask, in mask_bitmap4() argument
1011 while (len > 0 && (bitmap[len-1] == 0 || mask[len-1] == 0)) in mask_bitmap4()
1014 tmp = bitmap[i] & mask[i]; in mask_bitmap4()
1255 const __u32 *bitmap, const __u32 *mask, size_t len, in encode_getattr() argument
1264 len = mask_bitmap4(bitmap, mask, masked_bitmap, len); in encode_getattr()
1265 bitmap = masked_bitmap; in encode_getattr()
1267 xdr_encode_bitmap4(xdr, bitmap, len); in encode_getattr()
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| /linux-6.1.9/fs/btrfs/tests/ |
| D | extent-io-tests.c | 322 static int check_eb_bitmap(unsigned long *bitmap, struct extent_buffer *eb, in check_eb_bitmap() argument
330 bit = !!test_bit(i, bitmap); in check_eb_bitmap()
347 static int __test_eb_bitmaps(unsigned long *bitmap, struct extent_buffer *eb, in __test_eb_bitmaps() argument
354 memset(bitmap, 0, len); in __test_eb_bitmaps()
356 if (memcmp_extent_buffer(eb, bitmap, 0, len) != 0) { in __test_eb_bitmaps()
361 bitmap_set(bitmap, 0, len * BITS_PER_BYTE); in __test_eb_bitmaps()
363 ret = check_eb_bitmap(bitmap, eb, len); in __test_eb_bitmaps()
369 bitmap_clear(bitmap, 0, len * BITS_PER_BYTE); in __test_eb_bitmaps()
371 ret = check_eb_bitmap(bitmap, eb, len); in __test_eb_bitmaps()
379 bitmap_set(bitmap, in __test_eb_bitmaps()
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| /linux-6.1.9/include/linux/ |
| D | bitmap.h | 126 void bitmap_free(const unsigned long *bitmap);
167 unsigned int __bitmap_weight(const unsigned long *bitmap, unsigned int nbits);
219 int bitmap_find_free_region(unsigned long *bitmap, unsigned int bits, int order);
220 void bitmap_release_region(unsigned long *bitmap, unsigned int pos, int order);
221 int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order);
291 void bitmap_from_arr32(unsigned long *bitmap, const u32 *buf,
293 void bitmap_to_arr32(u32 *buf, const unsigned long *bitmap,
296 #define bitmap_from_arr32(bitmap, buf, nbits) \ argument
297 bitmap_copy_clear_tail((unsigned long *) (bitmap), \
299 #define bitmap_to_arr32(buf, bitmap, nbits) \ argument
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| /linux-6.1.9/drivers/block/drbd/ |
| D | drbd_bitmap.c | 115 struct drbd_bitmap *b = device->bitmap; in __bm_print_lock_info()
126 struct drbd_bitmap *b = device->bitmap; in drbd_bm_lock()
153 struct drbd_bitmap *b = device->bitmap; in drbd_bm_unlock()
159 if (!(BM_LOCKED_MASK & device->bitmap->bm_flags)) in drbd_bm_unlock()
213 struct drbd_bitmap *b = device->bitmap; in bm_page_lock_io()
220 struct drbd_bitmap *b = device->bitmap; in bm_page_unlock_io()
223 wake_up(&device->bitmap->bm_io_wait); in bm_page_unlock_io()
242 device->bitmap->n_bitmap_hints = 0; in drbd_bm_reset_al_hints()
256 struct drbd_bitmap *b = device->bitmap; in drbd_bm_mark_for_writeout()
258 if (page_nr >= device->bitmap->bm_number_of_pages) { in drbd_bm_mark_for_writeout()
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| /linux-6.1.9/drivers/pci/endpoint/ |
| D | pci-epc-mem.c | 52 unsigned long *bitmap = NULL; in pci_epc_multi_mem_init() local
84 bitmap = kzalloc(bitmap_size, GFP_KERNEL); in pci_epc_multi_mem_init()
85 if (!bitmap) { in pci_epc_multi_mem_init()
95 mem->bitmap = bitmap; in pci_epc_multi_mem_init()
109 kfree(mem->bitmap); in pci_epc_multi_mem_init()
148 kfree(mem->bitmap); in pci_epc_mem_exit()
185 pageno = bitmap_find_free_region(mem->bitmap, mem->pages, in pci_epc_mem_alloc_addr()
193 bitmap_release_region(mem->bitmap, in pci_epc_mem_alloc_addr()
256 bitmap_release_region(mem->bitmap, pageno, order); in pci_epc_mem_free_addr()
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| /linux-6.1.9/fs/ocfs2/ |
| D | ocfs2.h | 871 static inline void _ocfs2_set_bit(unsigned int bit, unsigned long *bitmap) in _ocfs2_set_bit() argument
873 __set_bit_le(bit, bitmap); in _ocfs2_set_bit()
877 static inline void _ocfs2_clear_bit(unsigned int bit, unsigned long *bitmap) in _ocfs2_clear_bit() argument
879 __clear_bit_le(bit, bitmap); in _ocfs2_clear_bit()
901 static inline void ocfs2_set_bit_unaligned(int bit, void *bitmap) in ocfs2_set_bit_unaligned() argument
903 bitmap = correct_addr_and_bit_unaligned(&bit, bitmap); in ocfs2_set_bit_unaligned()
904 ocfs2_set_bit(bit, bitmap); in ocfs2_set_bit_unaligned()
907 static inline void ocfs2_clear_bit_unaligned(int bit, void *bitmap) in ocfs2_clear_bit_unaligned() argument
909 bitmap = correct_addr_and_bit_unaligned(&bit, bitmap); in ocfs2_clear_bit_unaligned()
910 ocfs2_clear_bit(bit, bitmap); in ocfs2_clear_bit_unaligned()
[all …]
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| /linux-6.1.9/drivers/net/ethernet/mellanox/mlx5/core/ |
| D | alloc.c | 46 unsigned long *bitmap; member
143 pgdir->bitmap = bitmap_zalloc_node(db_per_page, GFP_KERNEL, node); in mlx5_alloc_db_pgdir()
144 if (!pgdir->bitmap) { in mlx5_alloc_db_pgdir()
149 bitmap_fill(pgdir->bitmap, db_per_page); in mlx5_alloc_db_pgdir()
154 bitmap_free(pgdir->bitmap); in mlx5_alloc_db_pgdir()
169 i = find_first_bit(pgdir->bitmap, db_per_page); in mlx5_alloc_db_from_pgdir()
173 __clear_bit(i, pgdir->bitmap); in mlx5_alloc_db_from_pgdir()
222 __set_bit(db->index, db->u.pgdir->bitmap); in mlx5_db_free()
224 if (bitmap_full(db->u.pgdir->bitmap, db_per_page)) { in mlx5_db_free()
228 bitmap_free(db->u.pgdir->bitmap); in mlx5_db_free()
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| /linux-6.1.9/drivers/gpu/drm/vmwgfx/ |
| D | vmwgfx_page_dirty.c | 70 unsigned long bitmap[]; member
91 offset, &dirty->bitmap[0], in vmw_bo_dirty_scan_pagetable()
105 offset, &dirty->bitmap[0], in vmw_bo_dirty_scan_pagetable()
146 &dirty->bitmap[0], in vmw_bo_dirty_scan_mkwrite()
148 bitmap_clear(&dirty->bitmap[0], 0, dirty->bitmap_size); in vmw_bo_dirty_scan_mkwrite()
150 bitmap_set(&dirty->bitmap[0], dirty->start, in vmw_bo_dirty_scan_mkwrite()
197 &dirty->bitmap[0], &dirty->start, in vmw_bo_dirty_pre_unmap()
265 &dirty->bitmap[0], in vmw_bo_dirty_add()
327 start = find_next_bit(&dirty->bitmap[0], res_end, cur); in vmw_bo_dirty_transfer_to_res()
331 end = find_next_zero_bit(&dirty->bitmap[0], res_end, start + 1); in vmw_bo_dirty_transfer_to_res()
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| /linux-6.1.9/Documentation/filesystems/ext4/ |
| D | group_descr.rst | 39 number, and the group descriptor structure. Both block and inode bitmap
41 entire bitmap.
56 - Lower 32-bits of location of block bitmap.
60 - Lower 32-bits of location of inode bitmap.
84 - Lower 32-bits of location of snapshot exclusion bitmap.
88 - Lower 16-bits of the block bitmap checksum.
92 - Lower 16-bits of the inode bitmap checksum.
116 - Upper 32-bits of location of block bitmap.
120 - Upper 32-bits of location of inodes bitmap.
144 - Upper 32-bits of location of snapshot exclusion bitmap.
[all …]
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