15 void Unprotect(PageAllocator* allocator, const PageMemory& page_memory) {  in Unprotect()  argument
16   if (SupportsCommittingGuardPages(allocator)) {  in Unprotect()
17     CHECK(allocator->SetPermissions(page_memory.writeable_region().base(),  in Unprotect()
27              page_memory.overall_region().size() % allocator->CommitPageSize());  in Unprotect()
28     CHECK(allocator->SetPermissions(page_memory.overall_region().base(),  in Unprotect()
34 void Protect(PageAllocator* allocator, const PageMemory& page_memory) {  in Protect()  argument
35   if (SupportsCommittingGuardPages(allocator)) {  in Protect()
38     CHECK(allocator->SetPermissions(page_memory.writeable_region().base(),  in Protect()
44              page_memory.overall_region().size() % allocator->CommitPageSize());  in Protect()
45     CHECK(allocator->SetPermissions(page_memory.overall_region().base(),  in Protect()
51 MemoryRegion ReserveMemoryRegion(PageAllocator* allocator,  in ReserveMemoryRegion()  argument
54       allocator->AllocatePages(nullptr, allocation_size, kPageSize,  in ReserveMemoryRegion()
62 void FreeMemoryRegion(PageAllocator* allocator,  in FreeMemoryRegion()  argument
66   allocator->FreePages(reserved_region.base(), reserved_region.size());  in FreeMemoryRegion()
71 PageMemoryRegion::PageMemoryRegion(PageAllocator* allocator,  in PageMemoryRegion()  argument
73     : allocator_(allocator),  in PageMemoryRegion()
84 NormalPageMemoryRegion::NormalPageMemoryRegion(PageAllocator* allocator)  in NormalPageMemoryRegion()  argument
85     : PageMemoryRegion(allocator,  in NormalPageMemoryRegion()
87                            allocator, RoundUp(kPageSize * kNumPageRegions,  in NormalPageMemoryRegion()
88                                               allocator->AllocatePageSize())),  in NormalPageMemoryRegion()
117 LargePageMemoryRegion::LargePageMemoryRegion(PageAllocator* allocator,  in LargePageMemoryRegion()  argument
119     : PageMemoryRegion(allocator,  in LargePageMemoryRegion()
121                            allocator, RoundUp(length + 2 * kGuardPageSize,  in LargePageMemoryRegion()
122                                               allocator->AllocatePageSize())),  in LargePageMemoryRegion()
168 PageBackend::PageBackend(PageAllocator* allocator) : allocator_(allocator) {}  in PageBackend()  argument