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 02:32:09 -04:00
Code Issues Projects Releases Packages Wiki Activity

powerpc: Remove unused paca->pgdir field

Browse source 
The pgdir field in the paca was a leftover from the dynamic VSIDs
patch, and is not used in the current kernel code.  This removes it.

Signed-off-by: Paul Mackerras <[email protected]>
This commit is contained in:
Paul Mackerras 2006-06-12 18:38:21 +10:00
commit 4306443128
5 changed files with 0 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

12
include/asm-powerpc/mmu_context.h
View file

@ -20,16 +20,9 @@
* 2 of the License, or (at your option) any later version.
*/
/*
* Getting into a kernel thread, there is no valid user segment, mark
* paca->pgdir NULL so that SLB miss on user addresses will fault
*/
static inline void enter_lazy_tlb(struct mm_struct *mm,
struct task_struct *tsk)
{
#ifdef CONFIG_PPC_64K_PAGES
get_paca()->pgdir = NULL;
#endif /* CONFIG_PPC_64K_PAGES */
}
#define NO_CONTEXT 0
@ -52,13 +45,8 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
cpu_set(smp_processor_id(), next->cpu_vm_mask);
/* No need to flush userspace segments if the mm doesnt change */
#ifdef CONFIG_PPC_64K_PAGES
if (prev == next && get_paca()->pgdir == next->pgd)
return;
#else
if (prev == next)
return;
#endif /* CONFIG_PPC_64K_PAGES */
#ifdef CONFIG_ALTIVEC
if (cpu_has_feature(CPU_FTR_ALTIVEC))

3
include/asm-powerpc/paca.h
View file

@ -79,9 +79,6 @@ struct paca_struct {
u64 exmc[10]; /* used for machine checks */
u64 exslb[10]; /* used for SLB/segment table misses
* on the linear mapping */
#ifdef CONFIG_PPC_64K_PAGES
pgd_t *pgdir;
#endif /* CONFIG_PPC_64K_PAGES */
mm_context_t context;
u16 slb_cache[SLB_CACHE_ENTRIES];