[src/riastradh-drm2]: src/sys/external/bsd/drm2/include/linux Add Linux-style...

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

details:   https://anonhg.NetBSD.org/src/rev/98e29c3dc7c9
branches:  riastradh-drm2
changeset: 788045:98e29c3dc7c9
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Wed Jul 24 01:59:05 2013 +0000

description:
Add Linux-style kmalloc &c. to <linux/slab.h>.

Defined in terms of malloc(9) with M_TEMP for now, since Linux's
kfree doesn't pass the size, so using kmem(9) is inexpedient.

diffstat:

 sys/external/bsd/drm2/include/linux/slab.h |  28 +++++++++++++++++++++++++++-
 1 files changed, 27 insertions(+), 1 deletions(-)

diffs (40 lines):

diff -r 10d096154b80 -r 98e29c3dc7c9 sys/external/bsd/drm2/include/linux/slab.h
--- a/sys/external/bsd/drm2/include/linux/slab.h        Wed Jul 24 01:58:51 2013 +0000
+++ b/sys/external/bsd/drm2/include/linux/slab.h        Wed Jul 24 01:59:05 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: slab.h,v 1.1.2.1 2013/07/24 00:33:12 riastradh Exp $   */
+/*     $NetBSD: slab.h,v 1.1.2.2 2013/07/24 01:59:05 riastradh Exp $   */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -32,4 +32,30 @@
 #ifndef _LINUX_SLAB_H_
 #define _LINUX_SLAB_H_
 
+#include <sys/malloc.h>
+
+#include <uvm/uvm_extern.h>    /* For PAGE_SIZE.  */
+
+/* XXX Should use kmem, but Linux kfree doesn't take the size.  */
+
+#define        GFP_KERNEL      M_WAITOK
+
+static inline void *
+kmalloc(size_t size, int flags)
+{
+       return malloc(size, M_TEMP, flags);
+}
+
+static inline void *
+kzalloc(size_t size, int flags)
+{
+       return malloc(size, M_TEMP, (flags | M_ZERO));
+}
+
+static inline void
+kfree(void *ptr)
+{
+       free(ptr, M_TEMP);
+}
+
 #endif  /* _LINUX_SLAB_H_ */