diff --git a/mm/mem_reliable.c b/mm/mem_reliable.c
index 5505577d37844c8ac8ca24ece8a8d99ffe5300b8..6d4ab4bee3d51db0a0eaf279427388eef5b34f30 100644
--- a/mm/mem_reliable.c
+++ b/mm/mem_reliable.c
@@ -11,7 +11,7 @@
 #include <linux/oom.h>
 #include <linux/crash_dump.h>
 
-#define MEM_RELIABLE_RESERVE_MIN (256UL << 20)
+#define MEM_RELIABLE_RESERVE_MIN 0
 
 enum mem_reliable_types {
 	MEM_RELIABLE_ALL,
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index fa1cdeba529369232d5f5a770083e660e0e6701c..9d4f752354204cd916d4a3017f26ad15908a30b7 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4271,6 +4271,29 @@ check_retry_cpuset(int cpuset_mems_cookie, struct alloc_context *ac)
 	return false;
 }
 
+#ifdef CONFIG_MEMORY_RELIABLE
+static inline void mem_reliable_fallback_slowpath(gfp_t gfp_mask,
+						  struct alloc_context *ac)
+{
+	if (!reliable_allow_fb_enabled())
+		return;
+
+	if (gfp_mask & __GFP_NOFAIL)
+		return;
+
+	if ((ac->high_zoneidx == ZONE_NORMAL) &&
+	    (gfp_mask & ___GFP_RELIABILITY)) {
+		ac->high_zoneidx = gfp_zone(gfp_mask & ~___GFP_RELIABILITY);
+		ac->preferred_zoneref = first_zones_zonelist(
+			ac->zonelist, ac->high_zoneidx, ac->nodemask);
+		return;
+	}
+}
+#else
+static inline void mem_reliable_fallback_slowpath(gfp_t gfp_mask,
+						  struct alloc_context *ac) {}
+#endif
+
 static inline struct page *
 __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
 						struct alloc_context *ac)
@@ -4322,6 +4345,8 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
 	if (gfp_mask & __GFP_KSWAPD_RECLAIM)
 		wake_all_kswapds(order, gfp_mask, ac);
 
+	mem_reliable_fallback_slowpath(gfp_mask, ac);
+
 	/*
 	 * The adjusted alloc_flags might result in immediate success, so try
 	 * that first