From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp08.in.ibm.com (e28smtp08.in.ibm.com [122.248.162.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 9C8E51A00A2 for ; Tue, 11 Nov 2014 15:50:34 +1100 (AEDT) Received: from /spool/local by e28smtp08.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 11 Nov 2014 10:20:31 +0530 Received: from d28relay04.in.ibm.com (d28relay04.in.ibm.com [9.184.220.61]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id 282EF3940049 for ; Tue, 11 Nov 2014 10:20:28 +0530 (IST) Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay04.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id sAB4owVS46661836 for ; Tue, 11 Nov 2014 10:20:59 +0530 Received: from d28av05.in.ibm.com (localhost [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id sAB4oOSa023950 for ; Tue, 11 Nov 2014 10:20:25 +0530 From: Boqun Feng To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH] powerpc: Fix comment typos in arch/powerpc/include/asm/bitops.h Date: Tue, 11 Nov 2014 12:50:22 +0800 Message-Id: <1415681422-3683-1-git-send-email-boqun.feng@linux.vnet.ibm.com> Cc: Boqun Feng , Michael Ellerman List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , In arch/powerpc/include/asm/bitops.h, the comments about bit numbers in large (> 1 word) bitmaps have two typos: - On ppc64 system, the LSB of the 4th word should be bit 192 rather than 196, because if it's bit 196, bit 192-195 will be missing in the bitmap. - On ppc32 system, the LSB of the second word should be bit 32 rather than 31, because bit 31 is already in the first word. This patch fixes these typos. Signed-off-by: Boqun Feng --- arch/powerpc/include/asm/bitops.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index bd3bd57..a39ab08 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -14,9 +14,9 @@ * * The bitop functions are defined to work on unsigned longs, so for a * ppc64 system the bits end up numbered: - * |63..............0|127............64|191...........128|255...........196| + * |63..............0|127............64|191...........128|255...........192| * and on ppc32: - * |31.....0|63....31|95....64|127...96|159..128|191..160|223..192|255..224| + * |31.....0|63....32|95....64|127...96|159..128|191..160|223..192|255..224| * * There are a few little-endian macros used mostly for filesystem * bitmaps, these work on similar bit arrays layouts, but -- 2.1.3