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Make sure a USB small memory fragment is a multiple of the cache line size.

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(since CACHE_LINE_SIZE defaults to 64, for most instances this won't result
in any code changing).
This commit is contained in:
matt 2013-01-17 06:24:44 +00:00
parent 1610ae547d
commit 46c82f8bb3
1 changed files with 3 additions and 3 deletions
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6
sys/dev/usb/usb_mem.c
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@ -1,4 +1,4 @@
/* $NetBSD: usb_mem.c,v 1.55 2013/01/07 15:07:41 prlw1 Exp $ */
/* $NetBSD: usb_mem.c,v 1.56 2013/01/17 06:24:44 matt Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: usb_mem.c,v 1.55 2013/01/07 15:07:41 prlw1 Exp $");
__KERNEL_RCSID(0, "$NetBSD: usb_mem.c,v 1.56 2013/01/17 06:24:44 matt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -70,7 +70,7 @@ extern int usbdebug;
#define DPRINTFN(n,x)
#endif
#define USB_MEM_SMALL 64
#define USB_MEM_SMALL roundup(64, CACHE_LINE_SIZE)
#define USB_MEM_CHUNKS 64
#define USB_MEM_BLOCK (USB_MEM_SMALL * USB_MEM_CHUNKS)