svn commit: r298860 - head/sys/powerpc/powerpc

[Pedro F. Giffuni]

Author: pfg
Date: Sat Apr 30 19:50:59 2016
New Revision: 298860
URL: https://svnweb.freebsd.org/changeset/base/298860

Log:
  powerpc: Replace rounddown() from r298856 with roundup().
  
  Both are equivalent but roundup is more logical for this case.
  Catch another case while here.
  
  Pointed out by:	jhibbits

Modified:
  head/sys/powerpc/powerpc/exec_machdep.c

Modified: head/sys/powerpc/powerpc/exec_machdep.c
==============================================================================
--- head/sys/powerpc/powerpc/exec_machdep.c	Sat Apr 30 19:29:03 2016	(r298859)
+++ head/sys/powerpc/powerpc/exec_machdep.c	Sat Apr 30 19:50:59 2016	(r298860)
@@ -162,7 +162,7 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, 
 		code = siginfo32.si_code;
 		sfp = (caddr_t)&sf32;
 		sfpsize = sizeof(sf32);
-		rndfsize = rounddown(sizeof(sf32) + 15, 16);
+		rndfsize = roundup(sizeof(sf32), 16);
 
 		/*
 		 * Save user context
@@ -189,9 +189,9 @@ sendsig(sig_t catcher, ksiginfo_t *ksi, 
 		 * 64-bit PPC defines a 288 byte scratch region
 		 * below the stack.
 		 */
-		rndfsize = 288 + rounddown(sizeof(sf) + 47, 48);
+		rndfsize = 288 + roundup(sizeof(sf), 48);
 		#else
-		rndfsize = rounddown(sizeof(sf) + 15, 16);
+		rndfsize = roundup(sizeof(sf), 16);
 		#endif
 
 		/*