Lines Matching defs:page_size

49 	size_t alloc_size, page_size;
51 	page_size = getpagesize();
52 	alloc_size = roundup2(len, page_size) + page_size;
57 		assert(mprotect(buf + alloc_size - page_size, page_size, PROT_NONE) == 0);
58 		return (buf + alloc_size - page_size - len);
60 		assert(mprotect(buf, page_size, PROT_NONE) == 0);
61 		return (buf + page_size);
68 	size_t alloc_size, page_size;
70 	page_size = getpagesize();
71 	alloc_size = roundup2(len, page_size) + page_size;
74 		munmap(buf + len + page_size - alloc_size, alloc_size);
76 		munmap(buf - page_size, alloc_size);