linux-kernel - [PATCH] crc32: remove useless _

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Date:	Mon, 02 Mar 2009 17:18:23 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	akpm@...ux-foundation.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] crc32: remove useless __pure modifier from functions

From: Pekka Enberg <penberg@...helsinki.fi>

The pure attribute has absolutely no effect with GCC 4.2:

   text	   data	    bss	    dec	    hex	filename
   2456	      0	      0	   2456	    998	lib/crc32.o.old
   2456	      0	      0	   2456	    998	lib/crc32.o.new

Signed-off-by: Pekka Enberg <penberg@...helsinki.fi>
---
 lib/crc32.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/lib/crc32.c b/lib/crc32.c
index 49d1c9e..9ff76ad 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -49,7 +49,7 @@ MODULE_LICENSE("GPL");
  * @p: pointer to buffer over which CRC is run
  * @len: length of buffer @p
  */
-u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len);
+u32 crc32_le(u32 crc, unsigned char const *p, size_t len);
 
 #if CRC_LE_BITS == 1
 /*
@@ -57,7 +57,7 @@ u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len);
  * simplified by inlining the table in ?: form.
  */
 
-u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
+u32 crc32_le(u32 crc, unsigned char const *p, size_t len)
 {
 	int i;
 	while (len--) {
@@ -69,7 +69,7 @@ u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
 }
 #else				/* Table-based approach */
 
-u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
+u32 crc32_le(u32 crc, unsigned char const *p, size_t len)
 {
 # if CRC_LE_BITS == 8
 	const u32      *b =(u32 *)p;
@@ -145,7 +145,7 @@ u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
  * @p: pointer to buffer over which CRC is run
  * @len: length of buffer @p
  */
-u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len);
+u32 crc32_be(u32 crc, unsigned char const *p, size_t len);
 
 #if CRC_BE_BITS == 1
 /*
@@ -153,7 +153,7 @@ u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len);
  * simplified by inlining the table in ?: form.
  */
 
-u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
+u32 crc32_be(u32 crc, unsigned char const *p, size_t len)
 {
 	int i;
 	while (len--) {
@@ -167,7 +167,7 @@ u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
 }
 
 #else				/* Table-based approach */
-u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
+u32 crc32_be(u32 crc, unsigned char const *p, size_t len)
 {
 # if CRC_BE_BITS == 8
 	const u32      *b =(u32 *)p;
-- 
1.5.4.3



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