Deallocate pages
(address: u64, size: u64)
| 112 | |
| 113 | // Deallocate pages |
| 114 | pub fn pdealloc(address: u64, size: u64) |
| 115 | { |
| 116 | let mut mapper = unsafe |
| 117 | { |
| 118 | crate::mem::mapper(VirtAddr::new(crate::mem::PMEM_OFFSET)) |
| 119 | }; |
| 120 | |
| 121 | let pages: PageRangeInclusive<Size4KiB> = |
| 122 | { |
| 123 | let spage = Page::containing_address(VirtAddr::new(address)); |
| 124 | let epage = Page::containing_address(VirtAddr::new(address + size)); |
| 125 | |
| 126 | Page::range_inclusive(spage, epage) |
| 127 | }; |
| 128 | |
| 129 | for page in pages |
| 130 | { |
| 131 | if let Ok((_frame, mapping)) = mapper.unmap(page) |
| 132 | { |
| 133 | mapping.flush(); |
| 134 | } |
| 135 | else |
| 136 | { |
| 137 | print!("[ERR] COULD NOT DEALLOCATE {:?}", page); |
| 138 | } |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | |
| 143 | pub struct Dummy; |