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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1695626531; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=xYGJKvwyxelEGCoj1HuYpU6D4jZuMAySPDKkIDk1zzk=; b=Pe4cl4atEQiQ9Qr4Vs1ri25Wr5RLSc9i6noi+ib0BrhZ7cOI85cev+Qf4qrzLCjkiKzPBL y4WTkVs10+cFYeFIqHLzyYHbPUwe15k9gpQDNtBDV1ZvLKCZSuaMUGdduP8V28kzzgcKy2 h3yaS7/Q/mbue5RK+JzfXzrGZXHrjcs= From: Yajun Deng To: akpm@linux-foundation.org, rppt@kernel.org Cc: mike.kravetz@oracle.com, muchun.song@linux.dev, willy@infradead.org, david@redhat.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Yajun Deng Subject: [PATCH v2 0/2] mm: Don't set and reset page count in MEMINIT_EARLY Date: Mon, 25 Sep 2023 15:21:48 +0800 Message-Id: <20230925072150.386880-1-yajun.deng@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Stat-Signature: 7uffgek4xd34kasomqztszkau8tipkfc X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 99F1E1C001E X-Rspam-User: X-HE-Tag: 1695626533-357190 X-HE-Meta: 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 MCik6tPT 02J3FSNtMlGU+SBI6rV4T6qt28ztg0Sl4xgN1lPGNZe6ybbZaftT3mpVfRZVLfl4Oyf/Vxz3ml6Nb0850rR9p4VmAkCPmzaMLroFlfFMxaZXXV6HGC9cgdR61JQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000018, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: __init_single_page would set page count and __free_pages_core would reset it. A lot of pages don't need to do this when in MEMINIT_EARLY context. It's unnecessary and time-consuming. The 1st patch is pass page count and reserved to __init_single_page. It's in preparation for the 2nd patch, it didn't change anything. The 2nd patch only set page count for the reserved region, not all of the region. Yajun Deng (2): mm: pass page count and reserved to __init_single_page mm: Init page count in reserve_bootmem_region when MEMINIT_EARLY mm/hugetlb.c | 2 +- mm/internal.h | 8 +++++++- mm/mm_init.c | 45 ++++++++++++++++++++++++++++----------------- mm/page_alloc.c | 20 ++++++++++++-------- 4 files changed, 48 insertions(+), 27 deletions(-) -- 2.25.1