187 SYSCALL_DEFINE1(brk, unsigned long, brk)  in SYSCALL_DEFINE1()  argument
198 	brk = untagged_addr(brk);  in SYSCALL_DEFINE1()
203 	origbrk = mm->brk;  in SYSCALL_DEFINE1()
218 	if (brk < min_brk)  in SYSCALL_DEFINE1()
227 	if (check_data_rlimit(rlimit(RLIMIT_DATA), brk, mm->start_brk,  in SYSCALL_DEFINE1()
231 	newbrk = PAGE_ALIGN(brk);  in SYSCALL_DEFINE1()
232 	oldbrk = PAGE_ALIGN(mm->brk);  in SYSCALL_DEFINE1()
234 		mm->brk = brk;  in SYSCALL_DEFINE1()
242 	if (brk <= mm->brk) {  in SYSCALL_DEFINE1()
250 		mm->brk = brk;  in SYSCALL_DEFINE1()
253 			mm->brk = origbrk;  in SYSCALL_DEFINE1()
269 	mm->brk = brk;  in SYSCALL_DEFINE1()
280 	return brk;  in SYSCALL_DEFINE1()