rust/helpers/page.c

Source file repositories/reference/linux-study-clean/rust/helpers/page.c

File Facts

System
Linux kernel
Corpus path
rust/helpers/page.c
Extension
.c
Size
576 bytes
Lines
29
Domain
Rust Kernel Layer
Bucket
Rust API Membrane
Inferred role
Rust Kernel Layer: implementation source
Status
source implementation candidate

Why This File Exists

Rust-side wrappers and abstractions around kernel C APIs, ownership contracts, allocation, synchronization, and module integration.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0

#include <linux/gfp.h>
#include <linux/highmem.h>
#include <linux/mm.h>

__rust_helper struct page *rust_helper_alloc_pages(gfp_t gfp_mask,
						   unsigned int order)
{
	return alloc_pages(gfp_mask, order);
}

__rust_helper void *rust_helper_kmap_local_page(struct page *page)
{
	return kmap_local_page(page);
}

__rust_helper void rust_helper_kunmap_local(const void *addr)
{
	kunmap_local(addr);
}

#ifndef NODE_NOT_IN_PAGE_FLAGS
__rust_helper int rust_helper_page_to_nid(const struct page *page)
{
	return page_to_nid(page);
}
#endif

Annotation

Implementation Notes