From: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Date: Thu, 30 Oct 2025 14:57:31 +0000 (+0530)
Subject: powerpc/64s/hash: Hash hpt_order should be only available with Hash MMU
X-Git-Tag: v6.19-rc1~106^2~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b80691e25ec632d020b90eb9de3af0f956dff0a0;p=thirdparty%2Flinux.git

powerpc/64s/hash: Hash hpt_order should be only available with Hash MMU

This disables creating hpt_order debugfs entry with radix mode.

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/99237176a51c73e85f4a7edd60a2460017882d69.1761834163.git.ritesh.list@gmail.com
---

diff --git a/arch/powerpc/mm/book3s64/hash_utils.c b/arch/powerpc/mm/book3s64/hash_utils.c
index 2fa98d26876a0..e63befc967080 100644
--- a/arch/powerpc/mm/book3s64/hash_utils.c
+++ b/arch/powerpc/mm/book3s64/hash_utils.c
@@ -2434,6 +2434,8 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_hpt_order, hpt_order_get, hpt_order_set, "%llu\n")
 
 static int __init hash64_debugfs(void)
 {
+	if (radix_enabled())
+		return 0;
 	debugfs_create_file("hpt_order", 0600, arch_debugfs_dir, NULL,
 			    &fops_hpt_order);
 	return 0;