From 06cc7bf916cd562bf23b3929ca607f66a20850f0 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Thu, 22 Dec 2022 21:20:17 +0100
Subject: Warn only once about not being able to recycle pages

---
 ipc/mach_port.c               |  2 +-
 linux/dev/glue/block.c        |  5 ++++-
 linux/src/drivers/block/ide.c |  5 ++++-
 vm/vm_page.c                  | 10 +++++++++-
 4 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/ipc/mach_port.c b/ipc/mach_port.c
index db6e05dc..3b00f387 100644
--- a/ipc/mach_port.c
+++ b/ipc/mach_port.c
@@ -534,7 +534,7 @@ mach_port_allocate(
  *		KERN_INVALID_NAME	The name doesn't denote a right.
  */
 
-static volatile boolean_t mach_port_deallocate_debug = FALSE;
+static volatile boolean_t mach_port_deallocate_debug = TRUE;
 
 kern_return_t
 mach_port_destroy(
diff --git a/linux/dev/glue/block.c b/linux/dev/glue/block.c
index 6730c5ec..950413df 100644
--- a/linux/dev/glue/block.c
+++ b/linux/dev/glue/block.c
@@ -207,7 +207,10 @@ int
 blk_dev_init ()
 {
 #ifdef CONFIG_BLK_DEV_IDE
-  ide_init ();
+  extern char *kernel_cmdline;
+  if (strncmp(kernel_cmdline, "noide", 5) &&
+      !strstr(kernel_cmdline, " noide"))
+    ide_init ();
 #endif
 #ifdef CONFIG_BLK_DEV_FD
   floppy_init ();
diff --git a/linux/src/drivers/block/ide.c b/linux/src/drivers/block/ide.c
index 2d0fc77e..f3b78831 100644
--- a/linux/src/drivers/block/ide.c
+++ b/linux/src/drivers/block/ide.c
@@ -3725,7 +3725,10 @@ static void probe_for_hwifs (void)
 #ifdef CONFIG_BLK_DEV_PROMISE
 	init_dc4030();
 #endif
-	ahci_probe_pci();
+	extern char *kernel_cmdline;
+	if (strncmp(kernel_cmdline, "noahci", 6) &&
+	    !strstr(kernel_cmdline, " noahci"))
+		ahci_probe_pci();
 }
 
 static int hwif_init (int h)
diff --git a/vm/vm_page.c b/vm/vm_page.c
index 87185c15..707be4bb 100644
--- a/vm/vm_page.c
+++ b/vm/vm_page.c
@@ -2040,7 +2040,15 @@ again:
          * TODO Find out what could cause this and how to deal with it.
          * This will likely require an out-of-memory killer.
          */
-        printf("vm_page warning: unable to recycle any page");
+
+        {
+            static boolean_t warned = FALSE;
+
+            if (!warned) {
+                printf("vm_page warning: unable to recycle any page\n");
+                warned = 1;
+            }
+        }
     }
 
     simple_unlock(&vm_page_queue_free_lock);
-- 
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