Author: kib
Date: Fri Feb 1 00:37:55 2019
New Revision: 343638
URL: https://svnweb.freebsd.org/changeset/base/343638
Log:
MFC r343147:
i386/PAE busdma: allow more bounce pages.
Modified:
stable/12/sys/x86/x86/busdma_bounce.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/x86/x86/busdma_bounce.c
==============================================================================
--- stable/12/sys/x86/x86/busdma_bounce.c Fri Feb 1 00:36:14 2019
(r343637)
+++ stable/12/sys/x86/x86/busdma_bounce.c Fri Feb 1 00:37:55 2019
(r343638)
@@ -57,7 +57,7 @@ __FBSDID("$FreeBSD$");
#include <x86/include/busdma_impl.h>
#ifdef __i386__
-#define MAX_BPAGES 512
+#define MAX_BPAGES (Maxmem > atop(0x100000000ULL) ? 8192 : 512)
#else
#define MAX_BPAGES 8192
#endif
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