A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 18:51:56 -04:00
Code Issues Projects Releases Packages Wiki Activity

x86: unify pgd ctor/dtor

Browse source 
All pagetables need fundamentally the same setup and destruction, so
just use the same code for everything.

Signed-off-by: Jeremy Fitzhardinge <[email protected]>
Cc: Andi Kleen <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
This commit is contained in:
Jeremy Fitzhardinge 2008-03-17 16:37:14 -07:00 • committed by Ingo Molnar
commit 85958b465c
4 changed files with 30 additions and 62 deletions
Download patch file Download diff file Expand all files Collapse all files

16
include/asm-x86/pgtable.h
View file

@ -438,6 +438,22 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm,
pte_update(mm, addr, ptep);
}
/*
* clone_pgd_range(pgd_t *dst, pgd_t *src, int count);
*
* dst - pointer to pgd range anwhere on a pgd page
* src - ""
* count - the number of pgds to copy.
*
* dst and src can be on the same page, but the range must not overlap,
* and must not cross a page boundary.
*/
static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
{
memcpy(dst, src, count * sizeof(pgd_t));
}
#include <asm-generic/pgtable.h>
#endif /* __ASSEMBLY__ */

15
include/asm-x86/pgtable_32.h
View file

@ -105,21 +105,6 @@ extern int pmd_bad(pmd_t pmd);
# include <asm/pgtable-2level.h>
#endif
/*
* clone_pgd_range(pgd_t *dst, pgd_t *src, int count);
*
* dst - pointer to pgd range anwhere on a pgd page
* src - ""
* count - the number of pgds to copy.
*
* dst and src can be on the same page, but the range must not overlap,
* and must not cross a page boundary.
*/
static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
{
memcpy(dst, src, count * sizeof(pgd_t));
}
/*
* Macro to mark a page protection value as "uncacheable".
* On processors which do not support it, this is a no-op.

2
include/asm-x86/pgtable_64.h
View file

@ -24,7 +24,7 @@ extern void paging_init(void);
#endif /* !__ASSEMBLY__ */
#define SHARED_KERNEL_PMD 1
#define SHARED_KERNEL_PMD 0
/*
* PGDIR_SHIFT determines what a top-level page table entry can map