From: Miaohe Lin <linmiaohe@huawei.com>
To: <akpm@linux-foundation.org>, <david@redhat.com>,
<osalvador@suse.de>, <anshuman.khandual@arm.com>
Cc: <willy@infradead.org>, <linux-mm@kvack.org>,
<linux-kernel@vger.kernel.org>, <linmiaohe@huawei.com>
Subject: [PATCH v2 03/16] mm: remove obsolete macro NR_PCP_ORDER_MASK and NR_PCP_ORDER_WIDTH
Date: Fri, 16 Sep 2022 15:22:44 +0800 [thread overview]
Message-ID: <20220916072257.9639-4-linmiaohe@huawei.com> (raw)
In-Reply-To: <20220916072257.9639-1-linmiaohe@huawei.com>
Since commit 8b10b465d0e1 ("mm/page_alloc: free pages in a single pass
during bulk free"), they're not used anymore. Remove them.
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
---
include/linux/mmzone.h | 7 -------
mm/page_alloc.c | 1 -
2 files changed, 8 deletions(-)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index d907a29cc429..93f9aa346724 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -564,13 +564,6 @@ enum zone_watermarks {
#define NR_LOWORDER_PCP_LISTS (MIGRATE_PCPTYPES * (PAGE_ALLOC_COSTLY_ORDER + 1))
#define NR_PCP_LISTS (NR_LOWORDER_PCP_LISTS + NR_PCP_THP)
-/*
- * Shift to encode migratetype and order in the same integer, with order
- * in the least significant bits.
- */
-#define NR_PCP_ORDER_WIDTH 8
-#define NR_PCP_ORDER_MASK ((1<<NR_PCP_ORDER_WIDTH) - 1)
-
#define min_wmark_pages(z) (z->_watermark[WMARK_MIN] + z->watermark_boost)
#define low_wmark_pages(z) (z->_watermark[WMARK_LOW] + z->watermark_boost)
#define high_wmark_pages(z) (z->_watermark[WMARK_HIGH] + z->watermark_boost)
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 04559870ed12..bb2906829599 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1584,7 +1584,6 @@ static void free_pcppages_bulk(struct zone *zone, int count,
order = pindex_to_order(pindex);
nr_pages = 1 << order;
- BUILD_BUG_ON(MAX_ORDER >= (1<<NR_PCP_ORDER_WIDTH));
do {
int mt;
--
2.23.0
next prev parent reply other threads:[~2022-09-16 7:23 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-16 7:22 [PATCH v2 00/16] A few cleanup patches for mm Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 01/16] mm/page_alloc: ensure kswapd doesn't accidentally go to sleep Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 02/16] mm/page_alloc: make zone_pcp_update() static Miaohe Lin
2022-09-16 7:22 ` Miaohe Lin [this message]
2022-09-16 7:22 ` [PATCH v2 04/16] mm/page_alloc: remove obsolete comment in zone_statistics() Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 05/16] mm/page_alloc: add __init annotations to init_mem_debugging_and_hardening() Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 06/16] mm/page_alloc: fix freeing static percpu memory Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 07/16] mm: remove obsolete pgdat_is_empty() Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 08/16] mm/page_alloc: add missing is_migrate_isolate() check in set_page_guard() Miaohe Lin
2022-09-19 11:28 ` David Hildenbrand
2022-09-16 7:22 ` [PATCH v2 09/16] mm/page_alloc: use local variable zone_idx directly Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 10/16] mm, memory_hotplug: remove obsolete generic_free_nodedata() Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 11/16] mm/page_alloc: make boot_nodestats static Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 12/16] mm/page_alloc: use helper macro SZ_1{K,M} Miaohe Lin
2022-09-19 11:30 ` David Hildenbrand
2022-09-16 7:22 ` [PATCH v2 13/16] mm/page_alloc: init local variable buddy_pfn Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 14/16] mm/page_alloc: use costly_order in WARN_ON_ONCE_GFP() Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 15/16] mm/page_alloc: remove obsolete gfpflags_normal_context() Miaohe Lin
2022-09-16 7:22 ` [PATCH v2 16/16] mm/page_alloc: fix obsolete comment in deferred_pfn_valid() Miaohe Lin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220916072257.9639-4-linmiaohe@huawei.com \
--to=linmiaohe@huawei.com \
--cc=akpm@linux-foundation.org \
--cc=anshuman.khandual@arm.com \
--cc=david@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=osalvador@suse.de \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox