Rev 4337 | Rev 4343 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 4337 | Rev 4339 | ||
|---|---|---|---|
| Line 144... | Line 144... | ||
| 144 | as_slab = slab_cache_create("as_slab", sizeof(as_t), 0, |
144 | as_slab = slab_cache_create("as_slab", sizeof(as_t), 0, |
| 145 | as_constructor, as_destructor, SLAB_CACHE_MAGDEFERRED); |
145 | as_constructor, as_destructor, SLAB_CACHE_MAGDEFERRED); |
| 146 | 146 | ||
| 147 | AS_KERNEL = as_create(FLAG_AS_KERNEL); |
147 | AS_KERNEL = as_create(FLAG_AS_KERNEL); |
| 148 | if (!AS_KERNEL) |
148 | if (!AS_KERNEL) |
| 149 | panic("Cannot create kernel address space\n"); |
149 | panic("Cannot create kernel address space."); |
| 150 | 150 | ||
| 151 | /* Make sure the kernel address space |
151 | /* Make sure the kernel address space |
| 152 | * reference count never drops to zero. |
152 | * reference count never drops to zero. |
| 153 | */ |
153 | */ |
| 154 | atomic_set(&AS_KERNEL->refcount, 1); |
154 | atomic_set(&AS_KERNEL->refcount, 1); |
| Line 442... | Line 442... | ||
| 442 | 442 | ||
| 443 | cond = false; /* we are almost done */ |
443 | cond = false; /* we are almost done */ |
| 444 | i = (start_free - b) >> PAGE_WIDTH; |
444 | i = (start_free - b) >> PAGE_WIDTH; |
| 445 | if (!used_space_remove(area, start_free, |
445 | if (!used_space_remove(area, start_free, |
| 446 | c - i)) |
446 | c - i)) |
| 447 | panic("Could not remove used " |
447 | panic("Cannot remove used " |
| 448 | "space.\n"); |
448 | "space."); |
| 449 | } else { |
449 | } else { |
| 450 | /* |
450 | /* |
| 451 | * The interval of used space can be |
451 | * The interval of used space can be |
| 452 | * completely removed. |
452 | * completely removed. |
| 453 | */ |
453 | */ |
| 454 | if (!used_space_remove(area, b, c)) |
454 | if (!used_space_remove(area, b, c)) |
| 455 | panic("Could not remove used " |
455 | panic("Cannot remove used " |
| 456 | "space.\n"); |
456 | "space."); |
| 457 | } |
457 | } |
| 458 | 458 | ||
| 459 | for (; i < c; i++) { |
459 | for (; i < c; i++) { |
| 460 | pte_t *pte; |
460 | pte_t *pte; |
| 461 | 461 | ||
| Line 1664... | Line 1664... | ||
| 1664 | } |
1664 | } |
| 1665 | } |
1665 | } |
| 1666 | } |
1666 | } |
| 1667 | 1667 | ||
| 1668 | panic("Inconsistency detected while adding %" PRIc " pages of used " |
1668 | panic("Inconsistency detected while adding %" PRIc " pages of used " |
| 1669 | "space at %p.\n", count, page); |
1669 | "space at %p.", count, page); |
| 1670 | } |
1670 | } |
| 1671 | 1671 | ||
| 1672 | /** Mark portion of address space area as unused. |
1672 | /** Mark portion of address space area as unused. |
| 1673 | * |
1673 | * |
| 1674 | * The address space area must be already locked. |
1674 | * The address space area must be already locked. |
| Line 1843... | Line 1843... | ||
| 1843 | } |
1843 | } |
| 1844 | } |
1844 | } |
| 1845 | 1845 | ||
| 1846 | error: |
1846 | error: |
| 1847 | panic("Inconsistency detected while removing %" PRIc " pages of used " |
1847 | panic("Inconsistency detected while removing %" PRIc " pages of used " |
| 1848 | "space from %p.\n", count, page); |
1848 | "space from %p.", count, page); |
| 1849 | } |
1849 | } |
| 1850 | 1850 | ||
| 1851 | /** Remove reference to address space area share info. |
1851 | /** Remove reference to address space area share info. |
| 1852 | * |
1852 | * |
| 1853 | * If the reference count drops to 0, the sh_info is deallocated. |
1853 | * If the reference count drops to 0, the sh_info is deallocated. |