Lines Matching defs:oldbrk
186 unsigned long newbrk, oldbrk, origbrk;
217 * of oldbrk with newbrk then it can escape the test and let the data
226 oldbrk = PAGE_ALIGN(mm->brk);
227 if (oldbrk == newbrk) {
236 brkvma = vma_find(&vmi, oldbrk);
237 if (!brkvma || brkvma->vm_start >= oldbrk)
245 if (do_vma_munmap(&vmi, brkvma, newbrk, oldbrk, &uf, true))
251 if (check_brk_limits(oldbrk, newbrk - oldbrk))
258 vma_iter_init(&vmi, mm, oldbrk);
265 if (do_brk_flags(&vmi, brkvma, oldbrk, newbrk - oldbrk, 0) < 0)
277 mm_populate(oldbrk, newbrk - oldbrk);