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authorThomas Gleixner <tglx@linutronix.de>2010-12-09 18:17:25 +0100
committerThomas Gleixner <tglx@linutronix.de>2010-12-09 18:17:25 +0100
commitd834a9dcecae834cd6b2bc5e50e1907738d9cf6a (patch)
tree0589d753465d3fe359ba451ba6cb7798df03aaa2 /arch/sh/mm/sram.c
parenta38c5380ef9f088be9f49b6e4c5d80af8b1b5cd4 (diff)
parentf658bcfb2607bf0808966a69cf74135ce98e5c2d (diff)
downloadop-kernel-dev-d834a9dcecae834cd6b2bc5e50e1907738d9cf6a.zip
op-kernel-dev-d834a9dcecae834cd6b2bc5e50e1907738d9cf6a.tar.gz
Merge branch 'x86/amd-nb' into x86/apic-cleanups
Reason: apic cleanup series depends on x86/apic, x86/amd-nb x86/platform Conflicts: arch/x86/include/asm/io_apic.h Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/sh/mm/sram.c')
-rw-r--r--arch/sh/mm/sram.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/sh/mm/sram.c b/arch/sh/mm/sram.c
new file mode 100644
index 0000000..bc156ec
--- /dev/null
+++ b/arch/sh/mm/sram.c
@@ -0,0 +1,34 @@
+/*
+ * SRAM pool for tiny memories not otherwise managed.
+ *
+ * Copyright (C) 2010 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <asm/sram.h>
+
+/*
+ * This provides a standard SRAM pool for tiny memories that can be
+ * added either by the CPU or the platform code. Typical SRAM sizes
+ * to be inserted in to the pool will generally be less than the page
+ * size, with anything more reasonably sized handled as a NUMA memory
+ * node.
+ */
+struct gen_pool *sram_pool;
+
+static int __init sram_pool_init(void)
+{
+ /*
+ * This is a global pool, we don't care about node locality.
+ */
+ sram_pool = gen_pool_create(1, -1);
+ if (unlikely(!sram_pool))
+ return -ENOMEM;
+
+ return 0;
+}
+core_initcall(sram_pool_init);
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