| /openbmc/linux/drivers/net/ethernet/mellanox/mlx5/core/steering/ |
| H A D | dr_buddy.c | 19 buddy->bitmap = kcalloc(buddy->max_order + 1, in mlx5dr_buddy_init()
20 sizeof(*buddy->bitmap), in mlx5dr_buddy_init()
22 buddy->num_free = kcalloc(buddy->max_order + 1, in mlx5dr_buddy_init()
26 if (!buddy->bitmap || !buddy->num_free) in mlx5dr_buddy_init()
35 if (!buddy->bitmap[i]) in mlx5dr_buddy_init()
43 bitmap_set(buddy->bitmap[buddy->max_order], 0, 1); in mlx5dr_buddy_init()
45 buddy->num_free[buddy->max_order] = 1; in mlx5dr_buddy_init()
54 kfree(buddy->num_free); in mlx5dr_buddy_init()
55 kfree(buddy->bitmap); in mlx5dr_buddy_init()
68 kfree(buddy->num_free); in mlx5dr_buddy_cleanup()
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| H A D | dr_icm_pool.c | 232 if (!buddy->ste_arr) in dr_icm_buddy_init_ste_cache()
240 if (!buddy->hw_ste_arr) in dr_icm_buddy_init_ste_cache()
244 if (!buddy->miss_list) in dr_icm_buddy_init_ste_cache()
252 kvfree(buddy->ste_arr); in dr_icm_buddy_init_ste_cache()
258 kvfree(buddy->ste_arr); in dr_icm_buddy_cleanup_ste_cache()
272 buddy = kvzalloc(sizeof(*buddy), GFP_KERNEL); in dr_icm_buddy_create()
273 if (!buddy) in dr_icm_buddy_create()
279 buddy->icm_mr = icm_mr; in dr_icm_buddy_create()
280 buddy->pool = pool; in dr_icm_buddy_create()
298 kvfree(buddy); in dr_icm_buddy_create()
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| H A D | mlx5dr.h | 192 int mlx5dr_buddy_init(struct mlx5dr_icm_buddy_mem *buddy,
194 void mlx5dr_buddy_cleanup(struct mlx5dr_icm_buddy_mem *buddy);
195 int mlx5dr_buddy_alloc_mem(struct mlx5dr_icm_buddy_mem *buddy,
198 void mlx5dr_buddy_free_mem(struct mlx5dr_icm_buddy_mem *buddy,
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| /openbmc/linux/drivers/infiniband/hw/mthca/ |
| H A D | mthca_mr.c | 105 --buddy->num_free[o]; in mthca_buddy_alloc()
147 buddy->bits = kcalloc(buddy->max_order + 1, sizeof(long *), in mthca_buddy_init()
149 buddy->num_free = kcalloc((buddy->max_order + 1), sizeof *buddy->num_free, in mthca_buddy_init()
151 if (!buddy->bits || !buddy->num_free) in mthca_buddy_init()
155 buddy->bits[i] = bitmap_zalloc(1 << (buddy->max_order - i), in mthca_buddy_init()
157 if (!buddy->bits[i]) in mthca_buddy_init()
161 __set_bit(0, buddy->bits[buddy->max_order]); in mthca_buddy_init()
162 buddy->num_free[buddy->max_order] = 1; in mthca_buddy_init()
171 kfree(buddy->bits); in mthca_buddy_init()
184 kfree(buddy->bits); in mthca_buddy_cleanup()
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| /openbmc/linux/arch/arm64/kvm/hyp/nvhe/ |
| H A D | page_alloc.c | 58 if (!buddy || buddy->order != order || buddy->refcount) in __find_buddy_avail()
61 return buddy; in __find_buddy_avail()
98 struct hyp_page *buddy; in __hyp_attach_page() local
114 buddy = __find_buddy_avail(pool, p, order); in __hyp_attach_page()
115 if (!buddy) in __hyp_attach_page()
119 page_remove_from_list(buddy); in __hyp_attach_page()
120 buddy->order = HYP_NO_ORDER; in __hyp_attach_page()
121 p = min(p, buddy); in __hyp_attach_page()
134 struct hyp_page *buddy; in __hyp_extract_page() local
146 buddy->order = p->order; in __hyp_extract_page()
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| /openbmc/linux/drivers/net/ethernet/mellanox/mlx4/ |
| H A D | mr.c | 52 spin_lock(&buddy->lock); in mlx4_buddy_alloc()
67 --buddy->num_free[o]; in mlx4_buddy_alloc()
73 ++buddy->num_free[o]; in mlx4_buddy_alloc()
109 buddy->bits = kcalloc(buddy->max_order + 1, sizeof(long *), in mlx4_buddy_init()
111 buddy->num_free = kcalloc(buddy->max_order + 1, sizeof(*buddy->num_free), in mlx4_buddy_init()
113 if (!buddy->bits || !buddy->num_free) in mlx4_buddy_init()
119 if (!buddy->bits[i]) in mlx4_buddy_init()
123 set_bit(0, buddy->bits[buddy->max_order]); in mlx4_buddy_init()
124 buddy->num_free[buddy->max_order] = 1; in mlx4_buddy_init()
133 kfree(buddy->bits); in mlx4_buddy_init()
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| /openbmc/linux/mm/ |
| H A D | zbud.c | 112 struct list_head buddy; member
121 enum buddy { enum
141 INIT_LIST_HEAD(&zhdr->buddy); in init_zbud_page()
155 static unsigned long encode_handle(struct zbud_header *zhdr, enum buddy bud) in encode_handle()
251 enum buddy bud; in zbud_alloc()
265 struct zbud_header, buddy); in zbud_alloc()
266 list_del(&zhdr->buddy); in zbud_alloc()
294 list_add(&zhdr->buddy, &pool->unbuddied[freechunks]); in zbud_alloc()
297 list_add(&zhdr->buddy, &pool->buddied); in zbud_alloc()
326 list_del(&zhdr->buddy); in zbud_free()
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| H A D | z3fold.c | 72 enum buddy { enum
109 struct list_head buddy; member
372 enum buddy bud) in __encode_handle()
501 list_del(&zhdr->buddy); in free_pages_work()
558 enum buddy bud = HEADLESS; in get_free_buddy()
1006 enum buddy bud; in z3fold_alloc()
1096 enum buddy bud; in z3fold_free()
1179 enum buddy buddy; in z3fold_map() local
1189 switch (buddy) { in z3fold_map()
1223 enum buddy buddy; in z3fold_unmap() local
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| H A D | internal.h | 302 static inline bool page_is_buddy(struct page *page, struct page *buddy, in page_is_buddy() argument
305 if (!page_is_guard(buddy) && !PageBuddy(buddy)) in page_is_buddy()
308 if (buddy_order(buddy) != order) in page_is_buddy()
315 if (page_zone_id(page) != page_zone_id(buddy)) in page_is_buddy()
318 VM_BUG_ON_PAGE(page_count(buddy) != 0, buddy); in page_is_buddy()
364 struct page *buddy; in find_buddy_page_pfn() local
366 buddy = page + (__buddy_pfn - pfn); in find_buddy_page_pfn()
370 if (page_is_buddy(page, buddy, order)) in find_buddy_page_pfn()
371 return buddy; in find_buddy_page_pfn()
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| H A D | page_isolation.c | 212 struct page *buddy; in unset_migratetype_isolate() local
230 buddy = find_buddy_page_pfn(page, page_to_pfn(page), in unset_migratetype_isolate()
232 if (buddy && !is_migrate_isolate_page(buddy)) { in unset_migratetype_isolate()
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| /openbmc/linux/drivers/gpu/drm/ |
| H A D | drm_buddy.c | 269 struct drm_buddy_block *buddy; in __drm_buddy_free() local
271 buddy = __get_buddy(block); in __drm_buddy_free()
273 if (!drm_buddy_block_is_free(buddy)) in __drm_buddy_free()
276 list_del(&buddy->link); in __drm_buddy_free()
279 drm_block_free(mm, buddy); in __drm_buddy_free()
337 struct drm_buddy_block *buddy; in alloc_range_bias() local
409 buddy = __get_buddy(block); in alloc_range_bias()
410 if (buddy && in alloc_range_bias()
496 struct drm_buddy_block *buddy; in __alloc_range() local
557 buddy = __get_buddy(block); in __alloc_range()
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| /openbmc/linux/drivers/gpu/drm/tests/ |
| H A D | drm_buddy_test.c | 47 struct drm_buddy_block *block, bool buddy) in __dump_block() argument
58 struct drm_buddy_block *buddy; in dump_block() local
62 buddy = drm_get_buddy(block); in dump_block()
63 if (buddy) in dump_block()
64 __dump_block(test, mm, buddy, true); in dump_block()
70 struct drm_buddy_block *buddy; in check_block() local
113 buddy = drm_get_buddy(block); in check_block()
115 if (!buddy && block->parent) { in check_block()
120 if (buddy) { in check_block()
126 if (drm_buddy_block_size(mm, buddy) != block_size) { in check_block()
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| /openbmc/linux/arch/mips/include/asm/ |
| H A D | pgtable.h | 130 pte_t *buddy = ptep_buddy(ptep); local
135 if (pte_none(*buddy)) {
137 buddy->pte_low |= _PAGE_GLOBAL;
138 buddy->pte_high |= _PAGE_GLOBAL;
176 pte_t *buddy = ptep_buddy(ptep); local
182 cmpxchg64(&buddy->pte, 0, _PAGE_GLOBAL);
184 cmpxchg(&buddy->pte, 0, _PAGE_GLOBAL);
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| /openbmc/linux/arch/loongarch/include/asm/ |
| H A D | pgtable.h | 319 pte_t *buddy = ptep_buddy(ptep); in set_pte() local
341 : [buddy] "+m" (buddy->pte), [tmp] "=&r" (tmp) in set_pte()
344 if (pte_none(*buddy)) in set_pte()
345 pte_val(*buddy) = pte_val(*buddy) | _PAGE_GLOBAL; in set_pte()
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| /openbmc/linux/drivers/dma-buf/heaps/ |
| H A D | Kconfig | 6 is backed by pages from the buddy allocator. If in doubt, say Y.
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| /openbmc/linux/fs/ext4/ |
| H A D | mballoc.c | 694 void *buddy; in __mb_check_buddy() local
702 MB_CHECK_ASSERT(buddy); in __mb_check_buddy()
711 if (mb_test_bit(i, buddy)) { in __mb_check_buddy()
1243 void *buddy; in mb_regenerate_buddy() local
1844 while (buddy) { in mb_buddy_mark_free()
1892 buddy = buddy2; in mb_buddy_mark_free()
1989 void *buddy; in mb_find_extent() local
1995 BUG_ON(buddy == NULL); in mb_find_extent()
2058 void *buddy; in mb_mark_used() local
2116 mb_clear_bit(cur, buddy); in mb_mark_used()
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| /openbmc/linux/Documentation/gpu/rfc/ |
| H A D | i915_gem_lmem.rst | 20 * Move i915 buddy allocator over to TTM
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| /openbmc/linux/Documentation/mm/ |
| H A D | vmemmap_dedup.rst | 30 to the buddy allocator for other uses.
133 7 pages to the buddy allocator.
160 When a HugeTLB is freed to the buddy system, we should allocate 7 pages for
175 Notice: The head vmemmap page is not freed to the buddy allocator and all
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| /openbmc/linux/Documentation/trace/ |
| H A D | events-kmem.rst | 56 the per-CPU allocator (high performance) or the buddy allocator.
58 If pages are allocated directly from the buddy allocator, the
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| /openbmc/linux/drivers/staging/rtl8723bs/core/ |
| H A D | rtw_pwrctrl.c | 92 struct adapter *buddy = adapter->pbuddy_adapter; in rtw_pwr_unassociated_idle() local
112 if (buddy) { in rtw_pwr_unassociated_idle()
113 struct mlme_priv *b_pmlmepriv = &(buddy->mlmepriv); in rtw_pwr_unassociated_idle()
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| /openbmc/linux/include/trace/events/ |
| H A D | mmflags.h | 142 DEF_PAGETYPE_NAME(buddy)
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| /openbmc/linux/fs/jfs/ |
| H A D | jfs_dmap.c | 2770 int budsz, buddy; in dbJoin() local
2800 buddy = leafno ^ budsz; in dbJoin()
2805 if (newval > leaf[buddy]) in dbJoin()
2809 if (newval < leaf[buddy]) in dbJoin()
2820 if (leafno < buddy) { in dbJoin()
2823 dbAdjTree(tp, buddy, NOFREE, is_ctl); in dbJoin()
2829 leafno = buddy; in dbJoin()
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| /openbmc/linux/Documentation/admin-guide/mm/ |
| H A D | pagemap.rst | 98 A free memory block managed by the buddy system allocator.
99 The buddy system organizes free memory in blocks of various orders.
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| /openbmc/qemu/docs/ |
| H A D | COLO-FT.txt | 227 {"execute": "human-monitor-command", "arguments": {"command-line": "drive_add -n buddy driver=repli…
290 {"execute": "human-monitor-command", "arguments":{ "command-line": "drive_add -n buddy driver=repli…
319 {"execute": "human-monitor-command", "arguments":{ "command-line": "drive_add -n buddy driver=repli…
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| /openbmc/linux/Documentation/ABI/testing/ |
| H A D | sysfs-fs-ext4 | 37 requests (as a power of 2) where the buddy cache is
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