powerpc/32s: Remove unused counters incremented by create_hpte()

primary_pteg_full and htab_hash_searches are not used.

Remove them.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/6470ab99e58c84a5445af43ce4d1d772b0dc3e93.1606247495.git.christophe.leroy@csgroup.eu

diff --git a/arch/powerpc/mm/book3s32/hash_low.S b/arch/powerpc/mm/book3s32/hash_low.S
index 98b8d8a5ad6402f82bad74f6366108c8137c55ab..6c350c5e369eb9a586d6177a6068e76958e04fd7 100644 (file)
--- a/arch/powerpc/mm/book3s32/hash_low.S
+++ b/arch/powerpc/mm/book3s32/hash_low.S
@@ -353,11 +353,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT)
        beq+    10f                     /* no PTE: go look for an empty slot */
        tlbie   r4
 
-       lis     r4, (htab_hash_searches - PAGE_OFFSET)@ha
-       lwz     r6, (htab_hash_searches - PAGE_OFFSET)@l(r4)
-       addi    r6,r6,1                 /* count how many searches we do */
-       stw     r6, (htab_hash_searches - PAGE_OFFSET)@l(r4)
-
        /* Search the primary PTEG for a PTE whose 1st (d)word matches r5 */
        mtctr   r0
        addi    r4,r3,-HPTE_SIZE
@@ -387,12 +382,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_NEED_COHERENT)
        bdnzf   2,1b                    /* loop while ctr != 0 && !cr0.eq */
        beq+    .Lfound_empty
 
-       /* update counter of times that the primary PTEG is full */
-       lis     r4, (primary_pteg_full - PAGE_OFFSET)@ha
-       lwz     r6, (primary_pteg_full - PAGE_OFFSET)@l(r4)
-       addi    r6,r6,1
-       stw     r6, (primary_pteg_full - PAGE_OFFSET)@l(r4)
-
        patch_site      0f, patch__hash_page_C
        /* Search the secondary PTEG for an empty slot */
        ori     r5,r5,PTE_H             /* set H (secondary hash) bit */
@@ -469,10 +458,6 @@ _ASM_NOKPROBE_SYMBOL(create_hpte)
        .align  2
 next_slot:
        .space  4
-primary_pteg_full:
-       .space  4
-htab_hash_searches:
-       .space  4
        .previous
 
 /*