tag	line	file	source code
oldbrk	404	kernel/sys.c	unsigned long newbrk, oldbrk;
oldbrk	409	kernel/sys.c	oldbrk = PAGE_ALIGN(current->brk);
oldbrk	410	kernel/sys.c	if (oldbrk == newbrk)
oldbrk	418	kernel/sys.c	do_munmap(newbrk, oldbrk-newbrk);
oldbrk	438	kernel/sys.c	freepages -= (newbrk-oldbrk) >> 12;
oldbrk	443	kernel/sys.c	freepages -= oldbrk >> 12;
oldbrk	451	kernel/sys.c	do_mmap(NULL, oldbrk, newbrk-oldbrk,