From: Matt Mackall <mpm@selenic.com>
To: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] slob: introduce mm/util.c for shared functions
Date: Thu, 3 Nov 2005 17:00:43 -0600 [thread overview]
Message-ID: <2.505517440@selenic.com> (raw)
Add mm/util.c for functions common between SLAB and SLOB.
Signed-off-by: Matt Mackall <mpm@selenic.com>
Index: 2.6.14-slob/mm/Makefile
===================================================================
--- 2.6.14-slob.orig/mm/Makefile 2005-11-03 14:40:31.000000000 -0800
+++ 2.6.14-slob/mm/Makefile 2005-11-03 14:48:17.000000000 -0800
@@ -10,7 +10,7 @@ mmu-$(CONFIG_MMU) := fremap.o highmem.o
obj-y := bootmem.o filemap.o mempool.o oom_kill.o fadvise.o \
page_alloc.o page-writeback.o pdflush.o \
readahead.o slab.o swap.o truncate.o vmscan.o \
- prio_tree.o $(mmu-y)
+ prio_tree.o util.o $(mmu-y)
obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o thrash.o
obj-$(CONFIG_HUGETLBFS) += hugetlb.o
Index: 2.6.14-slob/mm/slab.c
===================================================================
--- 2.6.14-slob.orig/mm/slab.c 2005-11-03 14:40:32.000000000 -0800
+++ 2.6.14-slob/mm/slab.c 2005-11-03 14:47:04.000000000 -0800
@@ -2994,20 +2994,6 @@ void kmem_cache_free(kmem_cache_t *cache
EXPORT_SYMBOL(kmem_cache_free);
/**
- * kzalloc - allocate memory. The memory is set to zero.
- * @size: how many bytes of memory are required.
- * @flags: the type of memory to allocate.
- */
-void *kzalloc(size_t size, gfp_t flags)
-{
- void *ret = kmalloc(size, flags);
- if (ret)
- memset(ret, 0, size);
- return ret;
-}
-EXPORT_SYMBOL(kzalloc);
-
-/**
* kfree - free previously allocated memory
* @objp: pointer returned by kmalloc.
*
@@ -3598,24 +3584,3 @@ unsigned int ksize(const void *objp)
}
-/*
- * kstrdup - allocate space for and copy an existing string
- *
- * @s: the string to duplicate
- * @gfp: the GFP mask used in the kmalloc() call when allocating memory
- */
-char *kstrdup(const char *s, gfp_t gfp)
-{
- size_t len;
- char *buf;
-
- if (!s)
- return NULL;
-
- len = strlen(s) + 1;
- buf = kmalloc(len, gfp);
- if (buf)
- memcpy(buf, s, len);
- return buf;
-}
-EXPORT_SYMBOL(kstrdup);
Index: 2.6.14-slob/mm/util.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ 2.6.14-slob/mm/util.c 2005-11-03 14:47:02.000000000 -0800
@@ -0,0 +1,39 @@
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/module.h>
+
+/**
+ * kzalloc - allocate memory. The memory is set to zero.
+ * @size: how many bytes of memory are required.
+ * @flags: the type of memory to allocate.
+ */
+void *kzalloc(size_t size, gfp_t flags)
+{
+ void *ret = kmalloc(size, flags);
+ if (ret)
+ memset(ret, 0, size);
+ return ret;
+}
+EXPORT_SYMBOL(kzalloc);
+
+/*
+ * kstrdup - allocate space for and copy an existing string
+ *
+ * @s: the string to duplicate
+ * @gfp: the GFP mask used in the kmalloc() call when allocating memory
+ */
+char *kstrdup(const char *s, gfp_t gfp)
+{
+ size_t len;
+ char *buf;
+
+ if (!s)
+ return NULL;
+
+ len = strlen(s) + 1;
+ buf = kmalloc(len, gfp);
+ if (buf)
+ memcpy(buf, s, len);
+ return buf;
+}
+EXPORT_SYMBOL(kstrdup);
next reply other threads:[~2005-11-03 23:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-03 23:00 Matt Mackall [this message]
2005-11-03 23:00 ` [PATCH 2/2] slob: introduce the SLOB allocator Matt Mackall
2005-11-04 5:13 ` [PATCH 1/2] slob: introduce mm/util.c for shared functions Andrew Morton
2005-11-04 6:24 ` Matt Mackall
2005-11-04 8:20 ` Pekka Enberg
2005-11-04 15:46 ` Paulo Marques
2005-11-07 20:29 ` Tom Rini
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