From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + mm-page_allocc-extract-the-common-part-in-pfn_to_bitidx.patch added to -mm tree Date: Wed, 24 Jun 2020 14:54:51 -0700 Message-ID: <20200624215451.3-Wla%akpm@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:47148 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390200AbgFXVyx (ORCPT ); Wed, 24 Jun 2020 17:54:53 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org, mgorman@suse.de, richard.weiyang@linux.alibaba.com The patch titled Subject: mm/page_alloc.c: extract the common part in pfn_to_bitidx() has been added to the -mm tree. Its filename is mm-page_allocc-extract-the-common-part-in-pfn_to_bitidx.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-page_allocc-extract-the-common-part-in-pfn_to_bitidx.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-page_allocc-extract-the-common-part-in-pfn_to_bitidx.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Wei Yang Subject: mm/page_alloc.c: extract the common part in pfn_to_bitidx() The return value calculation is the same both for SPARSEMEM or not. Just take it out. Link: http://lkml.kernel.org/r/20200623124201.8199-2-richard.weiyang@linux.alibaba.com Signed-off-by: Wei Yang Cc: Mel Gorman Signed-off-by: Andrew Morton --- mm/page_alloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/page_alloc.c~mm-page_allocc-extract-the-common-part-in-pfn_to_bitidx +++ a/mm/page_alloc.c @@ -462,11 +462,10 @@ static inline int pfn_to_bitidx(struct p { #ifdef CONFIG_SPARSEMEM pfn &= (PAGES_PER_SECTION-1); - return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS; #else pfn = pfn - round_down(page_zone(page)->zone_start_pfn, pageblock_nr_pages); - return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS; #endif /* CONFIG_SPARSEMEM */ + return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS; } /** _ Patches currently in -mm which might be from richard.weiyang@linux.alibaba.com are mm-page_allocc-replace-the-definition-of-nr_migratetype_bits-with-pb_migratetype_bits.patch mm-page_allocc-extract-the-common-part-in-pfn_to_bitidx.patch mm-page_allocc-simplify-pageblock-bitmap-access.patch mm-page_allocc-remove-unnecessary-end_bitidx-for-_pfnblock_flags_mask.patch