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(unknown []) by gzsmtp2 (Coremail) with SMTP id PSgvCgC3sLWbboVpASh5QQ--.27597S4; Fri, 06 Feb 2026 12:31:29 +0800 (CST) From: ranxiaokai627@163.com To: graf@amazon.com, rppt@kernel.org, pasha.tatashin@soleen.com, pratyush@kernel.org, akpm@linux-foundation.org Cc: kexec@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, ran.xiaokai@zte.com.cn, ranxiaokai627@163.com Subject: [PATCH -next 2/2] kho: remove unnecessary WARN_ON(err) in kho_populate() Date: Fri, 6 Feb 2026 04:31:21 +0000 Message-ID: <20260206043121.197564-3-ranxiaokai627@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260206043121.197564-1-ranxiaokai627@163.com> References: <20260206043121.197564-1-ranxiaokai627@163.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:PSgvCgC3sLWbboVpASh5QQ--.27597S4 X-Coremail-Antispam: 1Uf129KBjvdXoWrtw1xXw17Zr13Jr4DJF15twb_yoWfKFX_WF 4xtw40kr4q9r90vr1Yk39aqFW5K3y8ZFyqvF13XFWxJa45ta1j9a9rZwnrAFnxW34qkryq yr1qgrZ8tr4fGjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRAOzVDUUUUU== X-Originating-IP: [117.176.242.230] X-CM-SenderInfo: xudq5x5drntxqwsxqiywtou0bp/xtbCxQF-y2mFbqGCcwAA3i X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: CCC37C0005 X-Stat-Signature: zxcihbe7xsihubg8pio4ct8iuch84aq8 X-HE-Tag: 1770352303-251224 X-HE-Meta: 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 rXK42amw wxPFHf0VPiNr98TC8ME2zTp6OrQG/Q7ehUpJUKE6M0PSeaD1fE+7GyeP9EF4grh+Q0iHtH0Q90CX44ADGR2FiLE8TGTGmjKE8/PPDLldsAlBkBTRIYBQ4vcJ+YxG7s5OAqFnYPo0RoaEwSBIzOG3eVCNH836ZPjXKW4ADS5feBhdFBQMDkpYb/Z/MTCOCBZ2EQH9weXbwLTxk3ydSQfAk2h241t3eGDHiyC4tY9QyxN3SpoaeJaPKAHP7Ab/pqy9UTlDl3O8PVnzpHuhHSjnEoCEzSXh/wYSg96tyo5TO5WK+0w5XKHj/Tq1g3jZ1lCy6ZKFjhYy8krwVV6HqdXWIN7sx0xFt3g/Vj/aBxFlWBkRiKJMpFzpaW1mKgEV7m6AUVDd8EAEPFjdCYFo/MtMcUm3QfWDAMcpSi9EozFNVrOdOlL5rNFqXzuJSG2H2AtktdRbD X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Ran Xiaokai The following pr_warn() provides detailed error and location information, WARN_ON(err) adds no additional debugging value, so remove the redundant WARN_ON() call. Signed-off-by: Ran Xiaokai --- kernel/liveupdate/kexec_handover.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/liveupdate/kexec_handover.c b/kernel/liveupdate/kexec_handover.c index 76b714db175d..b851b09a8e99 100644 --- a/kernel/liveupdate/kexec_handover.c +++ b/kernel/liveupdate/kexec_handover.c @@ -1507,7 +1507,7 @@ void __init kho_populate(phys_addr_t fdt_phys, u64 fdt_len, memblock_add(area->addr, size); err = memblock_mark_kho_scratch(area->addr, size); - if (WARN_ON(err)) { + if (err) { pr_warn("failed to mark the scratch region 0x%pa+0x%pa: %pe", &area->addr, &size, ERR_PTR(err)); goto err_unmap_scratch; -- 2.25.1