diff options
Diffstat (limited to 'kern/zalloc.c')
| -rw-r--r-- | kern/zalloc.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/kern/zalloc.c b/kern/zalloc.c index 839e40f..f2904e4 100644 --- a/kern/zalloc.c +++ b/kern/zalloc.c @@ -214,7 +214,7 @@ zone_t zinit(size, align, max, alloc, memtype, name) max = alloc; if (align > 0) { - if (align >= PAGE_SIZE) + if (PAGE_SIZE % align || align % sizeof(z->free_elements)) panic("zinit"); ALIGN_SIZE_UP(size, align); } @@ -828,6 +828,18 @@ static void zone_gc(void) free_addr = zone_map_min_address + PAGE_SIZE * (freep - zone_page_table); + + /* Hack Hack */ + /* Needed to make vm_map_delete's vm_map_clip_end always be + * able to get an element without having to call zget_space and + * hang because zone_map is already locked by vm_map_delete */ + + extern zone_t vm_map_kentry_zone; /* zone for kernel entry structures */ + vm_offset_t entry1 = zalloc(vm_map_kentry_zone), + entry2 = zalloc(vm_map_kentry_zone); + zfree(vm_map_kentry_zone, entry1); + zfree(vm_map_kentry_zone, entry2); + kmem_free(zone_map, free_addr, PAGE_SIZE); } } |