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Allow specifying initial page metadata when allocating

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This commit is contained in:
Zhang Junyang
2024-07-23 02:59:44 +00:00
committed by Tate, Hongliang Tian
parent 077a9ac3ab
commit 819e8dacd5
8 changed files with 73 additions and 31 deletions
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9
ostd/src/mm/frame/options.rs
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@ -57,9 +57,10 @@ impl FrameAllocOptions {
/// Allocates a collection of page frames according to the given options.
pub fn alloc(&self) -> Result<Vec<Frame>> {
let pages = if self.is_contiguous {
page::allocator::alloc(self.nframes * PAGE_SIZE).ok_or(Error::NoMemory)?
page::allocator::alloc(self.nframes * PAGE_SIZE, |_| FrameMeta::default())
.ok_or(Error::NoMemory)?
} else {
page::allocator::alloc_contiguous(self.nframes * PAGE_SIZE)
page::allocator::alloc_contiguous(self.nframes * PAGE_SIZE, |_| FrameMeta::default())
.ok_or(Error::NoMemory)?
.into()
};
@ -79,7 +80,7 @@ impl FrameAllocOptions {
return Err(Error::InvalidArgs);
}
let page = page::allocator::alloc_single().ok_or(Error::NoMemory)?;
let page = page::allocator::alloc_single(FrameMeta::default()).ok_or(Error::NoMemory)?;
let frame = Frame { page };
if !self.uninit {
frame.writer().fill(0);
@ -98,7 +99,7 @@ impl FrameAllocOptions {
}
let segment: Segment =
page::allocator::alloc_contiguous::<FrameMeta>(self.nframes * PAGE_SIZE)
page::allocator::alloc_contiguous(self.nframes * PAGE_SIZE, |_| FrameMeta::default())
.ok_or(Error::NoMemory)?
.into();
if !self.uninit {