# \[PATCH -V3 09/11\] arch/powerpc: Use 50 bits of VSID in slbmte

- From: Aneesh Kumar K.V \<hidden\>
- Date: 2012-07-09 13:14:42 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2012/07/9470101
- Thread: https://ratatoskr.run/linuxppc-dev/2012/07/9470091/t.md

```text
From: "Aneesh Kumar K.V" <redacted>

Increase the number of valid VSID bits in slbmte instruction.
We will use the new bits when we increase valid VSID bits.

Signed-off-by: Aneesh Kumar K.V <redacted>
---
 arch/powerpc/mm/slb_low.S |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/mm/slb_low.S b/arch/powerpc/mm/slb_low.S
index c355af6..c1fc81c 100644
--- a/arch/powerpc/mm/slb_low.S
+++ b/arch/powerpc/mm/slb_low.S
@@ -226,7 +226,7 @@ _GLOBAL(slb_allocate_user)
  */
 slb_finish_load:
 	ASM_VSID_SCRAMBLE(r10,r9,256M)
-	rldimi	r11,r10,SLB_VSID_SHIFT,16	/* combine VSID and flags */
+	rldimi	r11,r10,SLB_VSID_SHIFT,2	/* combine VSID and flags */
 
 	/* r3 = EA, r11 = VSID data */
 	/*
@@ -290,7 +290,7 @@ _GLOBAL(slb_compare_rr_to_size)
 slb_finish_load_1T:
 	srdi	r10,r10,40-28		/* get 1T ESID */
 	ASM_VSID_SCRAMBLE(r10,r9,1T)
-	rldimi	r11,r10,SLB_VSID_SHIFT_1T,16	/* combine VSID and flags */
+	rldimi	r11,r10,SLB_VSID_SHIFT_1T,2	/* combine VSID and flags */
 	li	r10,MMU_SEGSIZE_1T
 	rldimi	r11,r10,SLB_VSID_SSIZE_SHIFT,0	/* insert segment size */
 
-- 
1.7.10
```