HugePageConfig

vmm::vmm_config::machine_config

Enum HugePageConfig 

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pub enum HugePageConfig {
    None,
    Hugetlbfs2M,
}
Expand description

Describes the possible (huge)page configurations for a microVM’s memory.

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None

Do not use hugepages, e.g. back guest memory by 4K

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Hugetlbfs2M

Back guest memory by 2MB hugetlbfs pages

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impl HugePageConfig

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pub fn mmap_flags(&self) -> c_int

Returns the flags required to pass to mmap, in addition to MAP_ANONYMOUS, to create a mapping backed by huge pages as described by this HugePageConfig.

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pub fn is_hugetlbfs(&self) -> bool

Returns true iff this HugePageConfig describes a hugetlbfs-based configuration.

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pub fn page_size(&self) -> usize

Gets the page size in bytes of this HugePageConfig.

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impl Clone for HugePageConfig

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fn clone(&self) -> HugePageConfig

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for HugePageConfig

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

Formats the value using the given formatter. Read more
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impl Default for HugePageConfig

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fn default() -> HugePageConfig

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for HugePageConfig

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl From<HugePageConfig> for Option<HugetlbSize>

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fn from(value: HugePageConfig) -> Self

Converts to this type from the input type.
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impl PartialEq for HugePageConfig

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fn eq(&self, other: &HugePageConfig) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for HugePageConfig

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Copy for HugePageConfig

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impl Eq for HugePageConfig

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impl StructuralPartialEq for HugePageConfig

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