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Mon, 14 Sep 2026 03:34:11 +0000 X-Mizu-Trace-ID: 57ee228aeb5f01e7 X-Migadu-Flow: FLOW_OUT From: Ye Liu Date: Mon, 14 Sep 2026 11:34:00 +0800 Subject: [PATCH 1/3] mm/vmalloc: group xa_init with vbq field initializations MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260914-vmalloc_study-v1-1-526f68559706@linux.dev> References: <20260914-vmalloc_study-v1-0-526f68559706@linux.dev> In-Reply-To: <20260914-vmalloc_study-v1-0-526f68559706@linux.dev> To: Andrew Morton , Uladzislau Rezki Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Ye Liu X-Mailer: b4 0.14.3 X-Rspam-User: X-Rspamd-Queue-Id: 52181140008 X-Stat-Signature: m65hs5mxj5b5p3iboit5ekw61rbxeofp X-Rspamd-Server: rspam01 X-HE-Tag: 1789356853-130451 X-HE-Meta: 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 AjI7+BEZ 07RimSkxifIbY9xNm3bYp+Ot39tJdFuoSZfz3tHIpMTNf6WvonqnO2wyb/M/oC2VZHmkoz66gQJw3sZFGsaGasn0G6BWPeC63v2LeBVrFhV4DC+bR0XaRBpuISzhi9jvK4PK2srhdECvWkmLMz3BnJTYIGyN8Sji1JIygaJ06aQoBXM1yn8ySu1Wxo+Gx11YBHGxfyobAvb+IbE37jkU4WdTUs8smYCfNyZsmS/gAjaTm8pxOl/3U3zGYFvQUg02AE8ZsCmkobofxzB5beI7u9vYNdg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Ye Liu Move xa_init() next to the other vbq field initializations instead of after the unrelated vfree_deferred setup. Signed-off-by: Ye Liu --- mm/vmalloc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 859e6d2d57a3..117483dd048c 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -5585,10 +5585,11 @@ void __init vmalloc_init(void) vbq = &per_cpu(vmap_block_queue, i); spin_lock_init(&vbq->lock); INIT_LIST_HEAD(&vbq->free); + xa_init(&vbq->vmap_blocks); + p = &per_cpu(vfree_deferred, i); init_llist_head(&p->list); INIT_WORK(&p->wq, delayed_vfree_work); - xa_init(&vbq->vmap_blocks); } /* -- 2.25.1