From: Vasiliy Ulyanov <v.ulyanov@samsung.com>
Date: Tue, 19 Mar 2013 09:09:32 +0000 (+0400)
Subject: [FIX] SWAP buffer memory copy optimization
X-Git-Tag: accepted/tizen/mobile/20160407.001200~691^2~6^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=edff58ef830ee28409e165361459c40b7fc4e78b;p=platform%2Fkernel%2Fswap-modules.git

[FIX] SWAP buffer memory copy optimization

while loop replaced with memcpy
---

diff --git a/driver/storage.c b/driver/storage.c
index 3542229..4338115 100644
--- a/driver/storage.c
+++ b/driver/storage.c
@@ -247,13 +247,11 @@ typedef int (*mec_post_event_pointer)(char *data, unsigned long len);
 static mec_post_event_pointer mec_post_event = NULL;
 #endif
 
-static unsigned copy_into_cyclic_buffer (char *buffer, unsigned dst_offset, char *src, unsigned size)
+static unsigned copy_into_cyclic_buffer (char *buffer, unsigned dst_offset,
+										 char *src, unsigned size)
 {
-	unsigned nOffset = dst_offset;
-	char* pSource = src;
-	while (size--)
-		buffer[nOffset++] = *pSource++;
-	return nOffset;
+	memcpy(buffer + dst_offset, src, size);
+	return dst_offset + size;
 }
 
 static int CheckBufferSize (unsigned int nSize)