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authorStephen Rothwell <sfr@canb.auug.org.au>2007-08-15 16:33:55 +1000
committerPaul Mackerras <paulus@samba.org>2007-08-17 11:01:58 +1000
commit9dfe5c53d0fcc08e9efc1e13bb6702fac74f4a12 (patch)
treedf65e57c6e3748ae26fdedc49b7423d612ba0933
parent1ac9f1f71dea5944085b7b4954516794a9dab35a (diff)
[POWERPC] Fix non HUGETLB_PAGE build warning
arch/powerpc/mm/mmu_context_64.c: In function 'init_new_context': arch/powerpc/mm/mmu_context_64.c:31: warning: unused variable 'new_context' Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--arch/powerpc/mm/mmu_context_64.c5
-rw-r--r--arch/powerpc/mm/slice.c1
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/mm/mmu_context_64.c b/arch/powerpc/mm/mmu_context_64.c
index 7a78cdc0515..901ea765f14 100644
--- a/arch/powerpc/mm/mmu_context_64.c
+++ b/arch/powerpc/mm/mmu_context_64.c
@@ -28,7 +28,6 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm)
{
int index;
int err;
- int new_context = (mm->context.id == 0);
again:
if (!idr_pre_get(&mmu_context_idr, GFP_KERNEL))
@@ -50,19 +49,19 @@ again:
return -ENOMEM;
}
- mm->context.id = index;
#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 (new_context)
+ if (mm->context.id == 0)
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;
}
diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
index d5fd3909d13..319826ef164 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/slice.c
@@ -551,6 +551,7 @@ EXPORT_SYMBOL_GPL(get_slice_psize);
*
* This is also called in init_new_context() to change back the user
* psize from whatever the parent context had it set to
+ * N.B. This may be called before mm->context.id has been set.
*
* This function will only change the content of the {low,high)_slice_psize
* masks, it will not flush SLBs as this shall be handled lazily by the