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authorTejun Heo <tj@kernel.org>2011-05-24 09:59:36 +0200
committerTejun Heo <tj@kernel.org>2011-05-24 09:59:36 +0200
commit6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0 (patch)
treec9d7fc50a2e2147a5ca07e3096e7eeb916ad2da9 /arch/m68k/lib/memset.c
parentpercpu: Always align percpu output section to PAGE_SIZE (diff)
parentpercpu: Unify input section names (diff)
downloadlinux-6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0.tar.xz
linux-6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0.zip
Merge branch 'fixes-2.6.39' into for-2.6.40
Diffstat (limited to 'arch/m68k/lib/memset.c')
-rw-r--r--arch/m68k/lib/memset.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/m68k/lib/memset.c b/arch/m68k/lib/memset.c
new file mode 100644
index 000000000000..1389bf455633
--- /dev/null
+++ b/arch/m68k/lib/memset.c
@@ -0,0 +1,47 @@
+#include <linux/types.h>
+
+void * memset(void * s, int c, size_t count)
+{
+ void *xs = s;
+ size_t temp;
+
+ if (!count)
+ return xs;
+ c &= 0xff;
+ c |= c << 8;
+ c |= c << 16;
+ if ((long) s & 1)
+ {
+ char *cs = s;
+ *cs++ = c;
+ s = cs;
+ count--;
+ }
+ if (count > 2 && (long) s & 2)
+ {
+ short *ss = s;
+ *ss++ = c;
+ s = ss;
+ count -= 2;
+ }
+ temp = count >> 2;
+ if (temp)
+ {
+ long *ls = s;
+ for (; temp; temp--)
+ *ls++ = c;
+ s = ls;
+ }
+ if (count & 2)
+ {
+ short *ss = s;
+ *ss++ = c;
+ s = ss;
+ }
+ if (count & 1)
+ {
+ char *cs = s;
+ *cs = c;
+ }
+ return xs;
+}