Struct SmallCache 

pub struct SmallCache;

小块分配缓存。只应该由 pagesift 自己的可执行程序用作全局分配器（#[global_allocator]）； Python、Node 绑定跑在别人的进程里，不替宿主换分配器。

Trait Implementations

impl GlobalAlloc for SmallCache

unsafe fn alloc(&self, layout: Layout) -> *mut u8

Allocates memory as described by the given layout.

unsafe fn dealloc(&self, p: *mut u8, layout: Layout)

Deallocates the block of memory at the given ptr pointer with the given layout.

unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8

Behaves like alloc, but also ensures that the contents are set to zero before being returned.

unsafe fn realloc(&self, p: *mut u8, layout: Layout, new_size: usize) -> *mut u8

Shrinks or grows a block of memory to the given new_size in bytes. The block is described by the given ptr pointer and layout.