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Line 144... Line 144...
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    as_slab = slab_cache_create("as_slab", sizeof(as_t), 0,
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    as_slab = slab_cache_create("as_slab", sizeof(as_t), 0,
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        as_constructor, as_destructor, SLAB_CACHE_MAGDEFERRED);
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        as_constructor, as_destructor, SLAB_CACHE_MAGDEFERRED);
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    AS_KERNEL = as_create(FLAG_AS_KERNEL);
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    AS_KERNEL = as_create(FLAG_AS_KERNEL);
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    if (!AS_KERNEL)
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    if (!AS_KERNEL)
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        panic("Cannot create kernel address space\n");
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        panic("Cannot create kernel address space.");
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    /* Make sure the kernel address space
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    /* Make sure the kernel address space
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     * reference count never drops to zero.
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     * reference count never drops to zero.
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     */
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     */
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    atomic_set(&AS_KERNEL->refcount, 1);
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    atomic_set(&AS_KERNEL->refcount, 1);
Line 442... Line 442...
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                    cond = false;   /* we are almost done */
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                    cond = false;   /* we are almost done */
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                    i = (start_free - b) >> PAGE_WIDTH;
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                    i = (start_free - b) >> PAGE_WIDTH;
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                    if (!used_space_remove(area, start_free,
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                    if (!used_space_remove(area, start_free,
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                        c - i))
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                        c - i))
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                        panic("Could not remove used "
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                        panic("Cannot remove used "
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                            "space.\n");
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                            "space.");
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                } else {
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                } else {
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                    /*
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                    /*
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                     * The interval of used space can be
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                     * The interval of used space can be
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                     * completely removed.
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                     * completely removed.
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                     */
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                     */
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                    if (!used_space_remove(area, b, c))
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                    if (!used_space_remove(area, b, c))
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                        panic("Could not remove used "
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                        panic("Cannot remove used "
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                            "space.\n");
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                            "space.");
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                }
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                }
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                for (; i < c; i++) {
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                for (; i < c; i++) {
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                    pte_t *pte;
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                    pte_t *pte;
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461
           
Line 1664... Line 1664...
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            }
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            }
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        }
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        }
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    }
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    }
1667
 
1667
 
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    panic("Inconsistency detected while adding %" PRIc " pages of used "
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    panic("Inconsistency detected while adding %" PRIc " pages of used "
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        "space at %p.\n", count, page);
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        "space at %p.", count, page);
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}
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}
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/** Mark portion of address space area as unused.
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/** Mark portion of address space area as unused.
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 *
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 *
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 * The address space area must be already locked.
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 * The address space area must be already locked.
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        }
1843
        }
1844
    }
1844
    }
1845
 
1845
 
1846
error:
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error:
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    panic("Inconsistency detected while removing %" PRIc " pages of used "
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    panic("Inconsistency detected while removing %" PRIc " pages of used "
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        "space from %p.\n", count, page);
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        "space from %p.", count, page);
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}
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.