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//! Zone Types
pub const Zone = struct {
name: [32]u8,
name_len: u8,
elem_size: usize,
elems_per_page: usize,
partial_pages: ?*ZonePageMeta,
full_pages: ?*ZonePageMeta,
alloc_count: usize,
free_count: usize,
page_count: usize,
pub fn get_name(self: *const Zone) []const u8 {
return self.name[0..self.name_len];
}
pub fn in_use(self: *const Zone) usize {
return self.alloc_count -| self.free_count;
}
};
pub const FreeElement = struct {
next: ?*FreeElement,
};
pub const ZonePageMeta = struct {
zone: *Zone,
page_virt: u64,
page_phys: u64,
free_list: ?*FreeElement,
in_use: usize,
next: ?*ZonePageMeta,
};
pub const page_size: usize = 4096;
pub const min_elem_size: usize = @sizeOf(FreeElement);
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