[src/trunk]: src/sys/external/bsd/drm2/include/linux Implement kvfree by free...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/9b31d72c6788
branches:  trunk
changeset: 366191:9b31d72c6788
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Aug 27 13:44:54 2018 +0000

description:
Implement kvfree by free(9); assume kmalloc/vmalloc use malloc(9).

diffstat:

 sys/external/bsd/drm2/include/linux/mm.h      |  15 ++++++++++++---
 sys/external/bsd/drm2/include/linux/slab.h    |   8 +++++++-
 sys/external/bsd/drm2/include/linux/vmalloc.h |   8 ++++++--
 3 files changed, 25 insertions(+), 6 deletions(-)

diffs (85 lines):

diff -r c40b5377230c -r 9b31d72c6788 sys/external/bsd/drm2/include/linux/mm.h
--- a/sys/external/bsd/drm2/include/linux/mm.h  Mon Aug 27 13:44:41 2018 +0000
+++ b/sys/external/bsd/drm2/include/linux/mm.h  Mon Aug 27 13:44:54 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mm.h,v 1.8 2018/08/27 07:23:22 riastradh Exp $ */
+/*     $NetBSD: mm.h,v 1.9 2018/08/27 13:44:54 riastradh Exp $ */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -32,6 +32,8 @@
 #ifndef _LINUX_MM_H_
 #define _LINUX_MM_H_
 
+#include <sys/malloc.h>
+
 #include <uvm/uvm_extern.h>
 
 #include <asm/page.h>
@@ -77,10 +79,17 @@
        return uvmexp.npages;
 }
 
+/*
+ * XXX Requires that kmalloc in <linux/slab.h> and vmalloc in
+ * <linux/vmalloc.h> both use malloc(9).  If you change either of
+ * those, be sure to update this.
+ */
 static inline void
-kvfree(void * ptr)
+kvfree(void *ptr)
 {
-       panic("Unimplemented");
+
+       if (ptr != NULL)
+               free(ptr, M_TEMP);
 }
 
 static inline void
diff -r c40b5377230c -r 9b31d72c6788 sys/external/bsd/drm2/include/linux/slab.h
--- a/sys/external/bsd/drm2/include/linux/slab.h        Mon Aug 27 13:44:41 2018 +0000
+++ b/sys/external/bsd/drm2/include/linux/slab.h        Mon Aug 27 13:44:54 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: slab.h,v 1.5 2015/03/02 02:26:37 riastradh Exp $       */
+/*     $NetBSD: slab.h,v 1.6 2018/08/27 13:44:54 riastradh Exp $       */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -81,6 +81,12 @@
        return flags;
 }
 
+/*
+ * XXX vmalloc and kmalloc both use malloc(9).  If you change this, be
+ * sure to update vmalloc in <linux/vmalloc.h> and kvfree in
+ * <linux/mm.h>.
+ */
+
 static inline void *
 kmalloc(size_t size, gfp_t gfp)
 {
diff -r c40b5377230c -r 9b31d72c6788 sys/external/bsd/drm2/include/linux/vmalloc.h
--- a/sys/external/bsd/drm2/include/linux/vmalloc.h     Mon Aug 27 13:44:41 2018 +0000
+++ b/sys/external/bsd/drm2/include/linux/vmalloc.h     Mon Aug 27 13:44:54 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vmalloc.h,v 1.5 2018/08/06 00:30:07 riastradh Exp $    */
+/*     $NetBSD: vmalloc.h,v 1.6 2018/08/27 13:44:54 riastradh Exp $    */
 
 /*-
  * Copyright (c) 2013, 2018 The NetBSD Foundation, Inc.
@@ -40,10 +40,14 @@
 
 #include <asm/page.h>
 
+/*
+ * XXX vmalloc and kmalloc both use malloc(9).  If you change this, be
+ * sure to update kmalloc in <linux/slab.h> and kvfree in <linux/mm.h>.
+ */
+
 static inline bool
 is_vmalloc_addr(void *addr)
 {
-       /* XXX Assumes vmalloc and kmalloc both use malloc(9).  */
        return true;
 }