mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-16 22:10:24 +00:00
MIPS: Add hugetlbfs page defines.
Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
parent
50a41ff292
commit
dd7943920b
@ -220,6 +220,22 @@
|
||||
#error Bad page size configuration!
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Default huge tlb size for a given kernel configuration
|
||||
*/
|
||||
#ifdef CONFIG_PAGE_SIZE_4KB
|
||||
#define PM_HUGE_MASK PM_1M
|
||||
#elif defined(CONFIG_PAGE_SIZE_8KB)
|
||||
#define PM_HUGE_MASK PM_4M
|
||||
#elif defined(CONFIG_PAGE_SIZE_16KB)
|
||||
#define PM_HUGE_MASK PM_16M
|
||||
#elif defined(CONFIG_PAGE_SIZE_32KB)
|
||||
#define PM_HUGE_MASK PM_64M
|
||||
#elif defined(CONFIG_PAGE_SIZE_64KB)
|
||||
#define PM_HUGE_MASK PM_256M
|
||||
#elif defined(CONFIG_HUGETLB_PAGE)
|
||||
#error Bad page size configuration for hugetlbfs!
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Values used for computation of new tlb entries
|
||||
|
@ -32,6 +32,11 @@
|
||||
#define PAGE_SIZE (1UL << PAGE_SHIFT)
|
||||
#define PAGE_MASK (~((1 << PAGE_SHIFT) - 1))
|
||||
|
||||
#define HPAGE_SHIFT (PAGE_SHIFT + PAGE_SHIFT - 3)
|
||||
#define HPAGE_SIZE ((1UL) << HPAGE_SHIFT)
|
||||
#define HPAGE_MASK (~(HPAGE_SIZE - 1))
|
||||
#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#include <linux/pfn.h>
|
||||
|
@ -72,6 +72,7 @@
|
||||
#else
|
||||
|
||||
#define _PAGE_R4KBUG (1<<5) /* workaround for r4k bug */
|
||||
#define _PAGE_HUGE (1<<5) /* huge tlb page */
|
||||
#define _PAGE_GLOBAL (1<<6)
|
||||
#define _PAGE_VALID (1<<7)
|
||||
#define _PAGE_SILENT_READ (1<<7) /* synonym */
|
||||
|
@ -292,6 +292,16 @@ static inline pte_t pte_mkyoung(pte_t pte)
|
||||
pte_val(pte) |= _PAGE_SILENT_READ;
|
||||
return pte;
|
||||
}
|
||||
|
||||
#ifdef _PAGE_HUGE
|
||||
static inline int pte_huge(pte_t pte) { return pte_val(pte) & _PAGE_HUGE; }
|
||||
|
||||
static inline pte_t pte_mkhuge(pte_t pte)
|
||||
{
|
||||
pte_val(pte) |= _PAGE_HUGE;
|
||||
return pte;
|
||||
}
|
||||
#endif /* _PAGE_HUGE */
|
||||
#endif
|
||||
static inline int pte_special(pte_t pte) { return 0; }
|
||||
static inline pte_t pte_mkspecial(pte_t pte) { return pte; }
|
||||
|
Loading…
Reference in New Issue
Block a user