Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 11 Nov 2010 18:43:31 +0000 (UTC)
From:      Bernhard Schmidt <bschmidt@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r215135 - head/sys/compat/ndis
Message-ID:  <201011111843.oABIhV9d080688@svn.freebsd.org>

next in thread | raw e-mail | index | archive | help
Author: bschmidt
Date: Thu Nov 11 18:43:31 2010
New Revision: 215135
URL: http://svn.freebsd.org/changeset/base/215135

Log:
  According to specs for MmAllocateContiguousMemorySpecifyCache() physically
  contiguous memory with requested restrictions must be allocated.
  
  Submitted by:	Paul B Mahol <onemda at gmail.com>

Modified:
  head/sys/compat/ndis/subr_ntoskrnl.c

Modified: head/sys/compat/ndis/subr_ntoskrnl.c
==============================================================================
--- head/sys/compat/ndis/subr_ntoskrnl.c	Thu Nov 11 18:41:03 2010	(r215134)
+++ head/sys/compat/ndis/subr_ntoskrnl.c	Thu Nov 11 18:43:31 2010	(r215135)
@@ -2426,12 +2426,9 @@ MmAllocateContiguousMemorySpecifyCache(s
 	uint64_t		boundary;
 	uint32_t		cachetype;
 {
-	void *addr;
-	size_t pagelength = roundup(size, PAGE_SIZE);
 
-	addr = ExAllocatePoolWithTag(NonPagedPool, pagelength, 0);
-
-	return (addr);
+	return (contigmalloc(size, M_DEVBUF, M_ZERO|M_NOWAIT, lowest,
+	    highest, PAGE_SIZE, boundary));
 }
 
 static void
@@ -2447,7 +2444,7 @@ MmFreeContiguousMemorySpecifyCache(base,
 	uint32_t		size;
 	uint32_t		cachetype;
 {
-	ExFreePool(base);
+	contigfree(base, size, M_DEVBUF);
 }
 
 static uint32_t



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201011111843.oABIhV9d080688>