PagingError

os::mm::page_table

Enum PagingError 

Source 
pub enum PagingError {
    NotMapped,
    AlreadyMapped,
    InvalidAddress,
    HugePageConflict,
    InvalidFlags,
    FrameAllocFailed,
    UnsupportedMapType,
    ShrinkBelowStart,
    HugePageSplitNotImplemented,
    OutOfMemory,
}
Expand description

分页操作中可能发生的错误

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NotMapped

虚拟地址未被映射

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AlreadyMapped

虚拟地址已被映射

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InvalidAddress

提供了无效的地址

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HugePageConflict

由于与现有的巨页（Huge Page）映射冲突，操作失败。

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InvalidFlags

提供了无效的标志（Flags）

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FrameAllocFailed

帧（Frame）分配失败

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UnsupportedMapType

此操作不支持此映射类型

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ShrinkBelowStart

区域不能收缩到其起始地址以下

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HugePageSplitNotImplemented

巨页拆分功能尚未实现

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OutOfMemory

内存耗尽

Trait Implementations§

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impl Debug for PagingError

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl Freeze for PagingError

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impl RefUnwindSafe for PagingError

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impl Send for PagingError

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impl Sync for PagingError

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impl Unpin for PagingError

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impl UnwindSafe for PagingError

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.