Contributors: 12
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Jeremy Fitzhardinge |
161 |
71.88% |
6 |
31.58% |
| Yinghai Lu |
23 |
10.27% |
2 |
10.53% |
| Vegard Nossum |
18 |
8.04% |
1 |
5.26% |
| Ingo Molnar |
5 |
2.23% |
2 |
10.53% |
| Thomas Gleixner |
4 |
1.79% |
1 |
5.26% |
| Kirill A. Shutemov |
3 |
1.34% |
1 |
5.26% |
| H. Peter Anvin |
3 |
1.34% |
1 |
5.26% |
| Chuck Lever |
2 |
0.89% |
1 |
5.26% |
| Alexander Duyck |
2 |
0.89% |
1 |
5.26% |
| Arnd Bergmann |
1 |
0.45% |
1 |
5.26% |
| Namhyung Kim |
1 |
0.45% |
1 |
5.26% |
| Greg Kroah-Hartman |
1 |
0.45% |
1 |
5.26% |
| Total |
224 |
|
19 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_PAGE_H
#define _ASM_X86_PAGE_H
#include <linux/types.h>
#ifdef __KERNEL__
#include <asm/page_types.h>
#ifdef CONFIG_X86_64
#include <asm/page_64.h>
#else
#include <asm/page_32.h>
#endif /* CONFIG_X86_64 */
#ifndef __ASSEMBLY__
struct page;
#include <linux/range.h>
extern struct range pfn_mapped[];
extern int nr_pfn_mapped;
static inline void clear_user_page(void *page, unsigned long vaddr,
struct page *pg)
{
clear_page(page);
}
static inline void copy_user_page(void *to, void *from, unsigned long vaddr,
struct page *topage)
{
copy_page(to, from);
}
#define __alloc_zeroed_user_highpage(movableflags, vma, vaddr) \
alloc_page_vma(GFP_HIGHUSER | __GFP_ZERO | movableflags, vma, vaddr)
#define __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE
#ifndef __pa
#define __pa(x) __phys_addr((unsigned long)(x))
#endif
#define __pa_nodebug(x) __phys_addr_nodebug((unsigned long)(x))
/* __pa_symbol should be used for C visible symbols.
This seems to be the official gcc blessed way to do such arithmetic. */
/*
* We need __phys_reloc_hide() here because gcc may assume that there is no
* overflow during __pa() calculation and can optimize it unexpectedly.
* Newer versions of gcc provide -fno-strict-overflow switch to handle this
* case properly. Once all supported versions of gcc understand it, we can
* remove this Voodoo magic stuff. (i.e. once gcc3.x is deprecated)
*/
#define __pa_symbol(x) \
__phys_addr_symbol(__phys_reloc_hide((unsigned long)(x)))
#ifndef __va
#define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET))
#endif
#define __boot_va(x) __va(x)
#define __boot_pa(x) __pa(x)
/*
* virt_to_page(kaddr) returns a valid pointer if and only if
* virt_addr_valid(kaddr) returns true.
*/
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
extern bool __virt_addr_valid(unsigned long kaddr);
#define virt_addr_valid(kaddr) __virt_addr_valid((unsigned long) (kaddr))
#endif /* __ASSEMBLY__ */
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
#endif /* __KERNEL__ */
#endif /* _ASM_X86_PAGE_H */