# --- T2-COPYRIGHT-BEGIN ---
# t2/package/*/linux/hotfix-ps3-gelic.patch
# Copyright (C) 2020 - 2025 The T2 SDE Project
# SPDX-License-Identifier: GPL-2.0 or patched project license
# --- T2-COPYRIGHT-END ---

Since some MM rework around 5.x the ps3 gelic ethernet driver quickly runs
out of memory to allocate. Tweak some defaults to avoid this as much as
possible.

Fix NULL-ptr deref oops if rx skb allocation fails, too.

  René Rebe <rene@exactco.de>

--- linux-6.10/mm/page_alloc.c.vanilla	2024-08-15 18:25:26.514273117 +0200
+++ linux-6.10/mm/page_alloc.c	2024-08-15 18:26:44.068278120 +0200
@@ -269,9 +269,17 @@
 #endif
 };
 
+#ifdef CONFIG_PPC_PS3
+int min_free_kbytes = (6*1024);
+#else
 int min_free_kbytes = 1024;
+#endif
 int user_min_free_kbytes = -1;
+#ifdef CONFIG_PPC_PS3
+static int watermark_boost_factor __read_mostly;
+#else
 static int watermark_boost_factor __read_mostly = 15000;
+#endif
 static int watermark_scale_factor = 10;
 
 /* movable_zone is the "real" zone pages in ZONE_MOVABLE are taken from */
--- linux-6.15/drivers/net/ethernet/toshiba/ps3_gelic_net.c.vanilla	2025-06-11 10:00:03.561092735 +0200
+++ linux-6.15/drivers/net/ethernet/toshiba/ps3_gelic_net.c	2025-06-11 10:45:39.599799716 +0200
@@ -994,7 +994,10 @@
 	}
 
 	/* netdevice select */
-	if (card->vlan_required) {
+	if (card->vlan_required && !descr->skb) {
+		dev_info(ctodev(card), "vlan_required but no skb? %p\n", descr);
+		return 0; //netdev = card->netdev[GELIC_PORT_ETHERNET_0];
+	} else if (card->vlan_required) {
 		unsigned int i;
 		u16 vid;
 		vid = *(u16 *)(descr->skb->data) & VLAN_VID_MASK;
@@ -1229,7 +1229,7 @@
 		cmd->base.speed = SPEED_1000;
 		break;
 	default:
-		pr_info("%s: speed unknown\n", __func__);
+		pr_info("%s: speed unknown 0x%0x\n", __func__, card->ether_port_status & GELIC_LV1_ETHER_SPEED_MASK);
 		cmd->base.speed = SPEED_10;
 		break;
 	}