Lines Matching refs:addr
25 unsigned long i, j, addr;
37 addr = 0;
43 for (j = 0; j < SBP_L2_COUNT && addr < spt->maxaddr;
44 ++j, addr += PAGE_SIZE)
53 static void hpte_flush_range(struct mm_struct *mm, unsigned long addr,
63 pgd = pgd_offset(mm, addr);
64 p4d = p4d_offset(pgd, addr);
67 pud = pud_offset(p4d, addr);
70 pmd = pmd_offset(pud, addr);
73 pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
76 pte_update(mm, addr, pte, 0, 0, 0);
77 addr += PAGE_SIZE;
88 static void subpage_prot_clear(unsigned long addr, unsigned long len)
103 limit = addr + len;
106 for (; addr < limit; addr = next) {
107 next = pmd_addr_end(addr, limit);
108 if (addr < 0x100000000UL) {
111 spm = spt->protptrs[addr >> SBP_L3_SHIFT];
115 spp = spm[(addr >> SBP_L2_SHIFT) & (SBP_L2_COUNT - 1)];
118 spp += (addr >> PAGE_SHIFT) & (SBP_L1_COUNT - 1);
120 i = (addr >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
122 if (addr + (nw << PAGE_SHIFT) > next)
123 nw = (next - addr) >> PAGE_SHIFT;
128 hpte_flush_range(mm, addr, nw);
136 static int subpage_walk_pmd_entry(pmd_t *pmd, unsigned long addr,
140 split_huge_pmd(vma, pmd, addr);
148 static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
157 vma = find_vma(mm, addr);
161 if (vma && ((addr + len) <= vma->vm_start))
165 if (vma->vm_start >= (addr + len))
173 static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
190 SYSCALL_DEFINE3(subpage_prot, unsigned long, addr,
205 if ((addr & ~PAGE_MASK) || (len & ~PAGE_MASK) ||
206 addr >= mm->task_size || len >= mm->task_size ||
207 addr + len > mm->task_size)
210 if (is_hugepage_only_range(mm, addr, len))
215 subpage_prot_clear(addr, len);
238 subpage_mark_vma_nohuge(mm, addr, len);
239 for (limit = addr + len; addr < limit; addr = next) {
240 next = pmd_addr_end(addr, limit);
242 if (addr < 0x100000000UL) {
245 spm = spt->protptrs[addr >> SBP_L3_SHIFT];
250 spt->protptrs[addr >> SBP_L3_SHIFT] = spm;
253 spm += (addr >> SBP_L2_SHIFT) & (SBP_L2_COUNT - 1);
261 spp += (addr >> PAGE_SHIFT) & (SBP_L1_COUNT - 1);
264 demote_segment_4k(mm, addr);
267 i = (addr >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
269 if (addr + (nw << PAGE_SHIFT) > next)
270 nw = (next - addr) >> PAGE_SHIFT;
279 hpte_flush_range(mm, addr, nw);