---

yaml --- r: 99677 b: refs/heads/master c: 12031a6 h: refs/heads/master i: 99675: 744e490 v: v3
git-mirror · May 25, 2008 · 0ba2612 · 0ba2612
1 parent dae3f1f
commit 0ba2612
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Showing 4 changed files with 485 additions and 149 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f5098d62c1d1cede8ff23d01bbf50a421f110562
+refs/heads/master: 12031a624af7816ec7660b82be648aa3703b4ebe
diff --git a/trunk/Documentation/kernel-parameters.txt b/trunk/Documentation/kernel-parameters.txt
@@ -610,8 +610,17 @@ and is between 256 and 4096 characters. It is defined in the file
 			that could hold holes aka. UC entries.
 
 	mtrr_gran_size=nn[KMG] [X86]
-			used for mtrr cleanup. It is granity of mtrr block.
-			Big value could prevent small alignment use up MTRRs.
+			Used for mtrr cleanup. It is granularity of mtrr block.
+			Default is 1.
+			Large value could prevent small alignment from
+			using up MTRRs.
+
+	mtrr_spare_reg_nr=n [X86]
+			Format: <integer>
+			Range: 0,7 : spare reg number
+			Default : 1
+			Used for mtrr cleanup. It is spare mtrr entries number.
+			Set to 2 or more if your graphical card needs more.
 
 	disable_mtrr_trim [X86, Intel and AMD only]
 			By default the kernel will trim any uncacheable

diff --git a/trunk/arch/x86/Kconfig b/trunk/arch/x86/Kconfig
@@ -1117,6 +1117,15 @@ config MTRR_SANITIZER_ENABLE_DEFAULT
 	help
 	  Enable mtrr cleanup default value
 
+config MTRR_SANITIZER_SPARE_REG_NR_DEFAULT
+	int "MTRR cleanup spare reg num (0-7)"
+	range 0 7
+	default "1"
+	depends on MTRR_SANITIZER
+	help
+	  mtrr cleanup spare entries default, it can be changed via
+	  mtrr_spare_reg_nr=
+
 config X86_PAT
 	bool
 	prompt "x86 PAT support"