From d39b714d36c12e17c9e3359dd283adbb0693458e Mon Sep 17 00:00:00 2001 From: Lianbo Jiang Date: Mon, 8 May 2023 21:51:02 +0800 Subject: [PATCH] rhel8 freepointer CONFIG_SLAB_FREELIST_HARDENED=y This is a RHEL-Only patch. Signed-off-by: Lianbo Jiang --- memory.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/memory.c b/memory.c index 0568f18eb9b7..82d4214be066 100644 --- a/memory.c +++ b/memory.c @@ -19671,7 +19671,8 @@ freelist_ptr(struct meminfo *si, ulong ptr, ulong ptr_addr) if (VALID_MEMBER(kmem_cache_random)) { /* CONFIG_SLAB_FREELIST_HARDENED */ - if (vt->flags & FREELIST_PTR_BSWAP) + if ((vt->flags & FREELIST_PTR_BSWAP) || machine_type("PPC64") + || machine_type("ARM64") || machine_type("S390X")) ptr_addr = (sizeof(long) == 8) ? bswap_64(ptr_addr) : bswap_32(ptr_addr); return (ptr ^ si->random ^ ptr_addr); -- 2.37.1