Cross Reference: /illumos-gate/usr/src/cmd/sgs/rtld/common/malloc.c

Lines Matching refs:block
38  * Each page is divided in blocks. There is at least one block in a page.
51 struct block {
55 	struct block	*next;
62 	struct block	block[1];
68 #define	HDR_BLOCK	(sizeof (struct block) - sizeof (void *))
109 		struct block	*block;
111 		for (block = page->block; block; block = block->next) {
112 			struct block	*block2;
114 			if (block->status == BUSY)
116 			for (block2 = block->next; block2 &&
118 				block->next = block2->next;
119 				block->size += block2->size + HDR_BLOCK;
135 split(struct block *block, size_t size)
137 	if (block->size > size + sizeof (struct block)) {
138 		struct block	*newblock;
140 		newblock = (struct block *)
141 		    ((char *)block + HDR_BLOCK + size);
142 		newblock->next = block->next;
143 		block->next = newblock;
145 		newblock->page = block->page;
146 		newblock->size = block->size - size - HDR_BLOCK;
147 		block->size = size;
161 	struct block	*block;
170 		for (block = page->block; block; block = block->next) {
171 			if ((block->status == FREE) && (block->size >= size))
191 		block = page->block;
192 		block->next = 0;
193 		block->status = FREE;
194 		block->size = totpage - HDR_PAGE;
195 		block->page = page;
198 	split(block, size);
200 	scribble((ulong_t *)&block->memstart, NEWMEM, block->size);
202 	block->status = BUSY;
203 	return (&block->memstart);
233 	struct block	*block;
241 	block = (struct block *)((char *)ptr - HDR_BLOCK);
243 	osize = block->size;
246 	 * Join block with next one if it is free
248 	if (block->next && block->next->status == FREE) {
249 		block->size += block->next->size + HDR_BLOCK;
250 		block->next = block->next->next;
253 	if (size <= block->size) {
254 		split(block, size);
256 		if (block->size > osize)
258 			    (block->size - osize));
266 	block->status = FREE;
269 	 * Add the free block to the free APlist for later defragmentation.
280 	(void) aplist_test(&free_alp, block->page, AL_CNT_FREELIST);
291 	struct block	*block;
297 	block = (struct block *)((char *)ptr - HDR_BLOCK);
298 	block->status = FREE;
300 	scribble((ulong_t *)&block->memstart, FREMEM, block->size);
302 	(void) aplist_test(&free_alp, block->page, AL_CNT_FREELIST);
319 	struct block	*block;
328 	block = page->block;
329 	block->next = 0;
330 	block->status = FREE;
331 	block->size = bytes - HDR_PAGE;
332 	block->page = page;