aboutsummaryrefslogtreecommitdiff
path: root/include/asm-powerpc
diff options
context:
space:
mode:
authorPaul Mackerras <paulus@samba.org>2006-06-12 18:38:21 +1000
committerPaul Mackerras <paulus@samba.org>2006-06-12 18:38:21 +1000
commit430644312810645a6e05855db50a978df9ba3ad3 (patch)
tree2363ddbb95af2b3df95c0071060d9c69044e28ba /include/asm-powerpc
parent7a0c58d0513c246ac5438ef4a55ce8b93395ae0e (diff)
powerpc: Remove unused paca->pgdir field
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 <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r--include/asm-powerpc/mmu_context.h12
-rw-r--r--include/asm-powerpc/paca.h3
2 files changed, 0 insertions, 15 deletions
diff --git a/include/asm-powerpc/mmu_context.h b/include/asm-powerpc/mmu_context.h
index 1b8a25fd48f..8c6b1a6d944 100644
--- a/include/asm-powerpc/mmu_context.h
+++ b/include/asm-powerpc/mmu_context.h
@@ -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))
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 706325f99a8..c17fd54d995 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -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];