[POWERPC] Tidy up CONFIG_PPC_MM_SLICES code

This removes some of the #ifdefs from .c files.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Stephen Rothwell
2007-08-15 16:51:18 +10:00
committed by Paul Mackerras
parent 0b8188a44d
commit e8ff0646e5
3 changed files with 8 additions and 13 deletions

View File

@@ -601,13 +601,7 @@ static void demote_segment_4k(struct mm_struct *mm, unsigned long addr)
{
if (mm->context.user_psize == MMU_PAGE_4K)
return;
#ifdef CONFIG_PPC_MM_SLICES
slice_set_user_psize(mm, MMU_PAGE_4K);
#else /* CONFIG_PPC_MM_SLICES */
mm->context.user_psize = MMU_PAGE_4K;
mm->context.sllp = SLB_VSID_USER | mmu_psize_defs[MMU_PAGE_4K].sllp;
#endif /* CONFIG_PPC_MM_SLICES */
#ifdef CONFIG_SPU_BASE
spu_flush_all_slbs(mm);
#endif

View File

@@ -49,18 +49,12 @@ again:
return -ENOMEM;
}
#ifdef CONFIG_PPC_MM_SLICES
/* The old code would re-promote on fork, we don't do that
* when using slices as it could cause problem promoting slices
* that have been forced down to 4K
*/
if (mm->context.id == 0)
if (slice_mm_new_context(mm))
slice_set_user_psize(mm, mmu_virtual_psize);
#else
mm->context.user_psize = mmu_virtual_psize;
mm->context.sllp = SLB_VSID_USER |
mmu_psize_defs[mmu_virtual_psize].sllp;
#endif
mm->context.id = index;
return 0;