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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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101
arch/m68k/include/asm/sun3_pgalloc.h Normal file
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/* sun3_pgalloc.h --
* reorganization around 2.3.39, routines moved from sun3_pgtable.h
*
*
* 02/27/2002 -- Modified to support "highpte" implementation in 2.5.5 (Sam)
*
* moved 1/26/2000 Sam Creasey
*/
#ifndef _SUN3_PGALLOC_H
#define _SUN3_PGALLOC_H
#include <asm/tlb.h>
extern const char bad_pmd_string[];
#define pmd_alloc_one(mm,address) ({ BUG(); ((pmd_t *)2); })
static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
{
free_page((unsigned long) pte);
}
static inline void pte_free(struct mm_struct *mm, pgtable_t page)
{
pgtable_page_dtor(page);
__free_page(page);
}
#define __pte_free_tlb(tlb,pte,addr) \
do { \
pgtable_page_dtor(pte); \
tlb_remove_page((tlb), pte); \
} while (0)
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
{
unsigned long page = __get_free_page(GFP_KERNEL|__GFP_REPEAT);
if (!page)
return NULL;
memset((void *)page, 0, PAGE_SIZE);
return (pte_t *) (page);
}
static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
unsigned long address)
{
struct page *page = alloc_pages(GFP_KERNEL|__GFP_REPEAT, 0);
if (page == NULL)
return NULL;
clear_highpage(page);
if (!pgtable_page_ctor(page)) {
__free_page(page);
return NULL;
}
return page;
}
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
{
pmd_val(*pmd) = __pa((unsigned long)pte);
}
static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t page)
{
pmd_val(*pmd) = __pa((unsigned long)page_address(page));
}
#define pmd_pgtable(pmd) pmd_page(pmd)
/*
* allocating and freeing a pmd is trivial: the 1-entry pmd is
* inside the pgd, so has no extra memory associated with it.
*/
#define pmd_free(mm, x) do { } while (0)
#define __pmd_free_tlb(tlb, x, addr) do { } while (0)
static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
{
free_page((unsigned long) pgd);
}
static inline pgd_t * pgd_alloc(struct mm_struct *mm)
{
pgd_t *new_pgd;
new_pgd = (pgd_t *)get_zeroed_page(GFP_KERNEL);
memcpy(new_pgd, swapper_pg_dir, PAGE_SIZE);
memset(new_pgd, 0, (PAGE_OFFSET >> PGDIR_SHIFT));
return new_pgd;
}
#define pgd_populate(mm, pmd, pte) BUG()
#endif /* SUN3_PGALLOC_H */