MFia64

 Move uma_small_alloc() and uma_small_free() to uma_machdep.c.

1 files changed, 82 insertions, 0 deletions

diff --git a/sys/amd64/amd64/uma_machdep.c b/sys/amd64/amd64/uma_machdep.c
new file mode 100644
index 0000000..85cf720
--- /dev/null
+++ b/sys/amd64/amd64/uma_machdep.c
@@ -0,0 +1,82 @@
+/*-
+ * Copyright (c) 2003 Alan L. Cox <alc@cs.rice.edu>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/lock.h>
+#include <sys/mutex.h>
+#include <sys/systm.h>
+#include <vm/vm.h>
+#include <vm/vm_page.h>
+#include <vm/vm_pageout.h>
+#include <vm/uma.h>
+#include <vm/uma_int.h>
+#include <machine/md_var.h>
+#include <machine/vmparam.h>
+
+void *
+uma_small_alloc(uma_zone_t zone, int bytes, u_int8_t *flags, int wait)
+{
+	static vm_pindex_t colour;
+	vm_page_t m;
+	void *va;
+	int pflags;
+
+	*flags = UMA_SLAB_PRIV;
+	if ((wait & (M_NOWAIT|M_USE_RESERVE)) == M_NOWAIT)
+		pflags = VM_ALLOC_INTERRUPT;
+	else
+		pflags = VM_ALLOC_SYSTEM;
+	if (wait & M_ZERO)
+		pflags |= VM_ALLOC_ZERO;
+	for (;;) {
+		m = vm_page_alloc(NULL, colour++, pflags | VM_ALLOC_NOOBJ);
+		if (m == NULL) {
+			if (wait & M_NOWAIT)
+				return (NULL);
+			else
+				VM_WAIT;
+		} else
+			break;
+	}
+	va = (void *)PHYS_TO_DMAP(m->phys_addr);
+	if ((wait & M_ZERO) && (m->flags & PG_ZERO) == 0)
+		pagezero(va);
+	return (va);
+}
+
+void
+uma_small_free(void *mem, int size, u_int8_t flags)
+{
+	vm_page_t m;
+
+	m = PHYS_TO_VM_PAGE(DMAP_TO_PHYS((vm_offset_t)mem));
+	vm_page_lock_queues();
+	vm_page_free(m);
+	vm_page_unlock_queues();
+}