replace nested max/min macros with {max,min}3 macro

Use the new {max,min}3 macros to save some cycles and bytes on the stack.
This patch substitutes trivial nested macros with their counterpart.

Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
Cc: Joe Perches <joe@perches.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 5 insertions, 6 deletions

diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index 0eac3da566ba..a84250a5dd51 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -1467,7 +1467,7 @@ static int ablkcipher_add(unsigned int *drestp, struct scatterlist *dst,
                 return -EINVAL;
 
         while (size) {
-                copy = min(drest, min(size, dst->length));
+                copy = min3(drest, size, dst->length);
 
                 size -= copy;
                 drest -= copy;
@@ -1729,7 +1729,7 @@ static int ablkcipher_get(void *saddr, unsigned int *srestp, unsigned int offset
                 return -EINVAL;
 
         while (size) {
-                copy = min(srest, min(dst->length, size));
+                copy = min3(srest, dst->length, size);
 
                 daddr = kmap_atomic(sg_page(dst), KM_IRQ0);
                 memcpy(daddr + dst->offset + offset, saddr, copy);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index b4b22576f12a..19c5d3b191f4 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1409,8 +1409,7 @@ static int __init ipoib_init_module(void)
 
         ipoib_sendq_size = roundup_pow_of_two(ipoib_sendq_size);
         ipoib_sendq_size = min(ipoib_sendq_size, IPOIB_MAX_QUEUE_SIZE);
-        ipoib_sendq_size = max(ipoib_sendq_size, max(2 * MAX_SEND_CQE,
-                                                     IPOIB_MIN_QUEUE_SIZE));
+        ipoib_sendq_size = max3(ipoib_sendq_size, 2 * MAX_SEND_CQE, IPOIB_MIN_QUEUE_SIZE);
 #ifdef CONFIG_INFINIBAND_IPOIB_CM
         ipoib_max_conn_qp = min(ipoib_max_conn_qp, IPOIB_CM_MAX_CONN_QP);
 #endif
diff --git a/drivers/macintosh/windfarm_pm121.c b/drivers/macintosh/windfarm_pm121.c
index 947d4afa25ca..30e6195e19d4 100644
--- a/drivers/macintosh/windfarm_pm121.c
+++ b/drivers/macintosh/windfarm_pm121.c
@@ -482,7 +482,7 @@ static s32 pm121_correct(s32 new_setpoint,
         new_min += correction->offset;
         new_min = (new_min >> 16) + min;
 
-        return max(new_setpoint, max(new_min, 0));
+        return max3(new_setpoint, new_min, 0);
 }
 
 static s32 pm121_connect(unsigned int control_id, s32 setpoint)
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
index e77e8e4280fb..4ea187d93768 100644
--- a/drivers/video/au1200fb.c
+++ b/drivers/video/au1200fb.c
@@ -1079,7 +1079,7 @@ static int au1200fb_fb_check_var(struct fb_var_screeninfo *var,
          * clock can only be obtain by dividing this value by an even integer.
          * Fallback to a slower pixel clock if necessary. */
         pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin);
-        pixclock = min(pixclock, min(fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2));
+        pixclock = min3(pixclock, fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2);
 
         if (AU1200_LCD_MAX_CLK % pixclock) {
                 int diff = AU1200_LCD_MAX_CLK % pixclock;