From nobody Tue Apr 15 16:43:31 2025 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4ZcVN35HGBz5tQ5j; Tue, 15 Apr 2025 16:43:31 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ZcVN32sSHz3DMQ; Tue, 15 Apr 2025 16:43:31 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1744735411; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=+yOGPcZEZ0mnLZMY4fnKhXnOm+wNj5Kgu9MwFc/v5Co=; b=uKy9tfWVTvQz9uIiTGdA3lcVcBL6ts3nGmCeNzGvPMezWEPiiduQlOp9VEP1LkpXYDoYJL x4+qMLkE4Yw+eojJ8KSylu9wrjXzvWy5vGMrtfSFu75P68Q52VyTKKhMdsz17KKVYYOfdB 6vNtDWNORpwebv7mS/1Yk3TeBbxYkvUdNcHSpkCRuZfyDdipjbqsiYQKt9YovQyP+1lUbw jP3hXaz0/waAaXGKFyrq6+AtjB+68vqCFLghCVlwiEcKGehpjmat0YpjgLizbl/13oAfO7 rdGjvvlWEzdUKluepU8qO3xaP2YKQVGhAwCjcAuGj2qWiSf2jOgVgsJZSYsJgg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1744735411; a=rsa-sha256; cv=none; b=oS11R3TTRxg81iLWRqE7mGjq08p+KLC2ALl9Ws29CYA7+WitqWh9BZg377GkV2zrhDvuYR 6K97NRzGHG/AA9hC6Xx0ScHiXP/QlN4M34Zy+CgcM99GGzXJ6L7qVwU6IMQEi6QdXErIWg 6rGK9QTaoih6lErhaHapkbba7+e1wLt0AhCfCmzT6ct2i1dDQz8x+MSl8a0Of4WpyJ1RCJ MgAqArgbxX0mNvkEf6TEhEPT7BbR2lBYogpYVjIYLWxEqtSaDo+YdhV3ck/Qa//FkmBOuT lnRaYRJnClaD9E6G9xOoG4nqkO0STvYkNX+W1gpfSi09pgN9EC0ClwrgLPJbvg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1744735411; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=+yOGPcZEZ0mnLZMY4fnKhXnOm+wNj5Kgu9MwFc/v5Co=; b=nfWdnLjwntDJYVz8Pq6v8oeQfUzj7QUFKNg1G6ddpoRyb+yUcvKhWDEnXO+u+7feKwFyes bLhrrWsP793noAh+i6ggNEtxpT9zXMBZMNYAAOz4EC2+4PaDx+UOEHU91vvhkmIbA43FC6 t0mf1XSGorMlSra3K8a8o17i4YPVF74RLf5PdmRUxxN6StnA5MTGnfZgMSNQp3//26WBZF J1+DA3PdAv4dc/3TQb850BUxjRo9pCizywdMLs/eC4U2kUW6R4+yUXl6mBg4CjnDRutNK9 C3lI8/gLDBYTIGMDAhjUC6LEqcgW1CSW0Vs3QclH0VFJr3xf0VfWp4wTs11//Q== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4ZcVN32SDrzj6D; Tue, 15 Apr 2025 16:43:31 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 53FGhVVn027315; Tue, 15 Apr 2025 16:43:31 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 53FGhVCO027312; Tue, 15 Apr 2025 16:43:31 GMT (envelope-from git) Date: Tue, 15 Apr 2025 16:43:31 GMT Message-Id: <202504151643.53FGhVCO027312@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Doug Moore Subject: git: adc33d3288e5 - main - vm_kern: in unback, init cursor while unlocked List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dougm X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: adc33d3288e59f9f2f6ee5cffe49b0fd57ce0d70 Auto-Submitted: auto-generated The branch main has been updated by dougm: URL: https://cgit.FreeBSD.org/src/commit/?id=adc33d3288e59f9f2f6ee5cffe49b0fd57ce0d70 commit adc33d3288e59f9f2f6ee5cffe49b0fd57ce0d70 Author: Doug Moore AuthorDate: 2025-04-15 16:42:06 +0000 Commit: Doug Moore CommitDate: 2025-04-15 16:42:06 +0000 vm_kern: in unback, init cursor while unlocked In kmem_unback(), take one small bit of code out of the region where the write lock is held. Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D49834 --- sys/vm/vm_kern.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/vm/vm_kern.c b/sys/vm/vm_kern.c index 2aa5588a7588..d13dfb1bc953 100644 --- a/sys/vm/vm_kern.c +++ b/sys/vm/vm_kern.c @@ -650,8 +650,8 @@ _kmem_unback(vm_object_t object, vm_offset_t addr, vm_size_t size) pmap_remove(kernel_pmap, addr, addr + size); offset = addr - VM_MIN_KERNEL_ADDRESS; end = offset + size; - VM_OBJECT_WLOCK(object); vm_page_iter_init(&pages, object); + VM_OBJECT_WLOCK(object); m = vm_radix_iter_lookup(&pages, atop(offset)); domain = vm_page_domain(m); if (__predict_true((m->oflags & VPO_KMEM_EXEC) == 0))