linux-kernel - [PATCH 1/3] VM: add kzalloc

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Message-ID: <20080603111757.8769.69366.stgit@dantu.usersys.redhat.com>
Date:	Tue, 03 Jun 2008 07:17:57 -0400
From:	Jeff Layton <jlayton@...hat.com>
To:	linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org,
	bfields@...ldses.org
Subject: [PATCH 1/3] VM: add kzalloc_node inline

...to get zeroed out memory from a particular NUMA node

Signed-off-by: Jeff Layton <jlayton@...hat.com>
---

 include/linux/slab.h |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/include/linux/slab.h b/include/linux/slab.h
index 805ed4b..c2ad350 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -276,6 +276,17 @@ static inline void *kzalloc(size_t size, gfp_t flags)
 	return kmalloc(size, flags | __GFP_ZERO);
 }
 
+/**
+ * kzalloc_node - allocate zeroed memory from a particular memory node.
+ * @size: how many bytes of memory are required.
+ * @flags: the type of memory to allocate (see kmalloc).
+ * @node: memory node from which to allocate
+ */
+static inline void *kzalloc_node(size_t size, gfp_t flags, int node)
+{
+	return kmalloc_node(size, flags | __GFP_ZERO, node);
+}
+
 #ifdef CONFIG_SLABINFO
 extern const struct seq_operations slabinfo_op;
 ssize_t slabinfo_write(struct file *, const char __user *, size_t, loff_t *);

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