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[src/trunk]: src/sys/arch/emips/emips malloc(9) -> kmem(9)
details: https://anonhg.NetBSD.org/src/rev/408438dadfdb
branches: trunk
changeset: 946240:408438dadfdb
user: thorpej <thorpej%NetBSD.org@localhost>
date: Sat Nov 21 19:24:17 2020 +0000
description:
malloc(9) -> kmem(9)
diffstat:
sys/arch/emips/emips/bus_dma.c | 23 ++++++++++++++---------
1 files changed, 14 insertions(+), 9 deletions(-)
diffs (74 lines):
diff -r ddc6ae7ed7bb -r 408438dadfdb sys/arch/emips/emips/bus_dma.c
--- a/sys/arch/emips/emips/bus_dma.c Sat Nov 21 19:21:49 2020 +0000
+++ b/sys/arch/emips/emips/bus_dma.c Sat Nov 21 19:24:17 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: bus_dma.c,v 1.4 2015/06/11 08:22:08 matt Exp $ */
+/* $NetBSD: bus_dma.c,v 1.5 2020/11/21 19:24:17 thorpej Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.4 2015/06/11 08:22:08 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bus_dma.c,v 1.5 2020/11/21 19:24:17 thorpej Exp $");
#include "opt_cputype.h"
@@ -39,6 +39,7 @@
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/proc.h>
+#include <sys/kmem.h>
#include <uvm/uvm_extern.h>
@@ -87,6 +88,14 @@
#endif
}
+static size_t
+_bus_dmamap_mapsize(int const nsegments)
+{
+ KASSERT(nsegments > 0);
+ return sizeof(struct emips_bus_dmamap) +
+ (sizeof(bus_dma_segment_t) * (nsegments - 1));
+}
+
/*
* Common function for DMA map creation. May be called by bus-specific
* DMA map creation functions.
@@ -97,7 +106,6 @@
{
struct emips_bus_dmamap *map;
void *mapstore;
- size_t mapsize;
/*
* Allocate and initialize the DMA map. The end of the map
@@ -111,13 +119,10 @@
* The bus_dmamap_t includes one bus_dma_segment_t, hence
* the (nsegments - 1).
*/
- mapsize = sizeof(struct emips_bus_dmamap) +
- (sizeof(bus_dma_segment_t) * (nsegments - 1));
- if ((mapstore = malloc(mapsize, M_DMAMAP,
- (flags & BUS_DMA_NOWAIT) ? M_NOWAIT : M_WAITOK)) == NULL)
+ if ((mapstore = kmem_zalloc(_bus_dmamap_mapsize(nsegments),
+ (flags & BUS_DMA_NOWAIT) ? KM_NOSLEEP : KM_SLEEP)) == NULL)
return (ENOMEM);
- memset(mapstore, 0, mapsize);
map = (struct emips_bus_dmamap *)mapstore;
map->_dm_size = size;
map->_dm_segcnt = nsegments;
@@ -141,7 +146,7 @@
_bus_dmamap_destroy(bus_dma_tag_t t, bus_dmamap_t map)
{
- free(map, M_DMAMAP);
+ kmem_free(map, _bus_dmamap_mapsize(map->_dm_segcnt));
}
/*
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