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);
78 pte_update(mm, addr, pte, 0, 0, 0);
79 addr += PAGE_SIZE;
90 static void subpage_prot_clear(unsigned long addr, unsigned long len)
105 limit = addr + len;
108 for (; addr < limit; addr = next) {
109 next = pmd_addr_end(addr, limit);
110 if (addr < 0x100000000UL) {
113 spm = spt->protptrs[addr >> SBP_L3_SHIFT];
117 spp = spm[(addr >> SBP_L2_SHIFT) & (SBP_L2_COUNT - 1)];
120 spp += (addr >> PAGE_SHIFT) & (SBP_L1_COUNT - 1);
122 i = (addr >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
124 if (addr + (nw << PAGE_SHIFT) > next)
125 nw = (next - addr) >> PAGE_SHIFT;
130 hpte_flush_range(mm, addr, nw);
138 static int subpage_walk_pmd_entry(pmd_t *pmd, unsigned long addr,
142 split_huge_pmd(vma, pmd, addr);
151 static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
155 VMA_ITERATOR(vmi, mm, addr);
161 for_each_vma_range(vmi, vma, addr + len) {
167 static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr,
184 SYSCALL_DEFINE3(subpage_prot, unsigned long, addr,
199 if ((addr & ~PAGE_MASK) || (len & ~PAGE_MASK) ||
200 addr >= mm->task_size || len >= mm->task_size ||
201 addr + len > mm->task_size)
204 if (is_hugepage_only_range(mm, addr, len))
209 subpage_prot_clear(addr, len);
232 subpage_mark_vma_nohuge(mm, addr, len);
233 for (limit = addr + len; addr < limit; addr = next) {
234 next = pmd_addr_end(addr, limit);
236 if (addr < 0x100000000UL) {
239 spm = spt->protptrs[addr >> SBP_L3_SHIFT];
244 spt->protptrs[addr >> SBP_L3_SHIFT] = spm;
247 spm += (addr >> SBP_L2_SHIFT) & (SBP_L2_COUNT - 1);
255 spp += (addr >> PAGE_SHIFT) & (SBP_L1_COUNT - 1);
258 demote_segment_4k(mm, addr);
261 i = (addr >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
263 if (addr + (nw << PAGE_SHIFT) > next)
264 nw = (next - addr) >> PAGE_SHIFT;
273 hpte_flush_range(mm, addr, nw);