From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CA623D277CA for ; Sat, 10 Jan 2026 04:01:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 162536B0096; Fri, 9 Jan 2026 23:01:03 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 00A856B0093; Fri, 9 Jan 2026 23:01:02 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C663C6B00A5; Fri, 9 Jan 2026 23:01:02 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 72D416B0099 for ; Fri, 9 Jan 2026 23:01:02 -0500 (EST) Received: from smtpin08.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 3C72551986 for ; Sat, 10 Jan 2026 04:01:02 +0000 (UTC) X-FDA: 84314703564.08.C8B6D20 Received: from zeniv.linux.org.uk (zeniv.linux.org.uk [62.89.141.173]) by imf11.hostedemail.com (Postfix) with ESMTP id 50C9A40009 for ; Sat, 10 Jan 2026 04:01:00 +0000 (UTC) Authentication-Results: imf11.hostedemail.com; dkim=pass header.d=linux.org.uk header.s=zeniv-20220401 header.b=Ph0ALkCK; spf=none (imf11.hostedemail.com: domain of viro@ftp.linux.org.uk has no SPF policy when checking 62.89.141.173) smtp.mailfrom=viro@ftp.linux.org.uk; dmarc=pass (policy=none) header.from=zeniv.linux.org.uk ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1768017660; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=yUfjq/cQTQJkqeTRHOq+fL1zvjNTzJMLDYauRTOdnO4=; b=Mxk1F3OYKwRDCKYirQ/t5fqmdoyFRIgdDyEBYotth0H0p9qG8zdPW3TCkLl9TKYRUOhFoa 4KOEEofHBI5jJFXyQOFhhm/Q+DLc/rLrREblwOjsLcrKKC4NJVslJA9Fy24nZEIqw8hMpS pDzaB32kKu9dZbkXlBddOoLy0GDXcXk= ARC-Authentication-Results: i=1; imf11.hostedemail.com; dkim=pass header.d=linux.org.uk header.s=zeniv-20220401 header.b=Ph0ALkCK; spf=none (imf11.hostedemail.com: domain of viro@ftp.linux.org.uk has no SPF policy when checking 62.89.141.173) smtp.mailfrom=viro@ftp.linux.org.uk; dmarc=pass (policy=none) header.from=zeniv.linux.org.uk ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1768017660; a=rsa-sha256; cv=none; b=1bShTLA3BlMB1T0D6xjhKYGN3NLnpS9DNQXRvVrSWIUGuJRhbIeeKelXb73vctKLVsqQzs X0eruce8887VGTZjXEeuJ75RiEVO0Ud8WZItMH1vY0dtI5VRJPlEnQx790QG2oosD247UN HI0/FmL/2bTo5gQeQdNQInW5oliy9vA= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=linux.org.uk; s=zeniv-20220401; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=yUfjq/cQTQJkqeTRHOq+fL1zvjNTzJMLDYauRTOdnO4=; b=Ph0ALkCKCYTptUv3Vhh2Nuf1mQ UzC/xvzrJz+R3J3N/IkPvbgNT1VUADc/P60p4M/p/Tfq6b9AXo6PGR3Of00BGb+nbV9qVolGywIbS 4qlo33yOoLuLmpyw2pOMWqa7n9v2oYj6UNpSK8TyJ6IALmXPL1V6S4wGvXIRu3c2PHMAszgXra1Zx RDyZOAVhrtqim+rwGW5UZwP8r462a3XK7qSyBsjUm18blsC9tazRwWxQ0q9Xo3rZJ1umbB3Y4ABzA Ng6Ot50qgrd/rdusNTPlFmP8ns+Dg58Djbg2pW6P5sCBpbxN/X4RCmKJDjInPW6qJ88rFRRYXE8Rh V7y4NNhA==; Received: from viro by zeniv.linux.org.uk with local (Exim 4.99 #2 (Red Hat Linux)) id 1veQB9-000000085Zl-0In6; Sat, 10 Jan 2026 04:02:19 +0000 From: Al Viro To: linux-mm@kvack.org Cc: Vlastimil Babka , Harry Yoo , linux-fsdevel@vger.kernel.org, Linus Torvalds , Christian Brauner , Jan Kara , Mateusz Guzik , linux-kernel@vger.kernel.org Subject: [RFC PATCH 07/15] turn dentry_cache static-duration Date: Sat, 10 Jan 2026 04:02:09 +0000 Message-ID: <20260110040217.1927971-8-viro@zeniv.linux.org.uk> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260110040217.1927971-1-viro@zeniv.linux.org.uk> References: <20260110040217.1927971-1-viro@zeniv.linux.org.uk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: bfgafrr4orm3w8ugkogazzb1576gq37w X-Rspam-User: X-Rspamd-Queue-Id: 50C9A40009 X-Rspamd-Server: rspam08 X-HE-Tag: 1768017660-220284 X-HE-Meta: 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 JrPYbuQ5 0w7oTJUiodZcnCVKCj0HLiSm23ywO48CR0J2gEToptieXJ0x9n6Y6RSG6A2pkfaU91sUUGrp32jIbH5OabkmuQTWIoMGphUZj73TllbioaPdaqjoepBTia7xngAk6jaZjNJb8OOOYdVqBLWpPKovcolkIixoloDIu4SJjw+jJL0l9sNAoofzjnlPPYPR5U8FT7PXOHmY5hmeIBwfcB/aHIvoB7RT5+LHPr91fiuFMjvNXVCiLbNGhNQKv873DUCQ8HOQLMdFkNVS87rIiBpf5qaMp9/zk1fo4tYEtbSuPeVvaHeA+HAe8yCt3DsDpC9BTno0C+Aod7gDD4Lt9YTEl2PN5cuDgeSCA2+YN3RiEZ9X51fGVmV3bRh6SARVslG2P2YwWRbcuNsm7v8+v1nft8UZx9HpsqXzvXwE9/wTV0Qnk0iJknS5PzL1Ng0YEy5XWcD1zS3oJPmsjRHWKs1n+PtjOOebz1X8x8KoMi4qX0Um1iGPTm76Q4LUixwhDfSU4u60K3c0wZgVlx9ZWkAc8wk3rE1dNHi9o0W4l 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: No need to bother with runtime_const() for it anymore... Signed-off-by: Al Viro --- fs/dcache.c | 8 ++++---- include/asm-generic/vmlinux.lds.h | 3 +-- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/fs/dcache.c b/fs/dcache.c index dc2fff4811d1..43d3b4fbedcc 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -32,6 +32,7 @@ #include #include #include +#include #include "internal.h" #include "mount.h" @@ -86,8 +87,8 @@ __cacheline_aligned_in_smp DEFINE_SEQLOCK(rename_lock); EXPORT_SYMBOL(rename_lock); -static struct kmem_cache *__dentry_cache __ro_after_init; -#define dentry_cache runtime_const_ptr(__dentry_cache) +static struct kmem_cache_opaque __dentry_cache; +#define dentry_cache to_kmem_cache(&__dentry_cache) const struct qstr empty_name = QSTR_INIT("", 0); EXPORT_SYMBOL(empty_name); @@ -3265,10 +3266,9 @@ static void __init dcache_init(void) * but it is probably not worth it because of the cache nature * of the dcache. */ - __dentry_cache = KMEM_CACHE_USERCOPY(dentry, + KMEM_CACHE_SETUP_USERCOPY(dentry_cache, dentry, SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|SLAB_ACCOUNT, d_shortname.string); - runtime_const_init(ptr, __dentry_cache); /* Hash may have been set up in dcache_init_early */ if (!hashdist) diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 8ca130af301f..6997f6301260 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -971,8 +971,7 @@ #define RUNTIME_CONST_VARIABLES \ RUNTIME_CONST(shift, d_hash_shift) \ - RUNTIME_CONST(ptr, dentry_hashtable) \ - RUNTIME_CONST(ptr, __dentry_cache) + RUNTIME_CONST(ptr, dentry_hashtable) /* Alignment must be consistent with (kunit_suite *) in include/kunit/test.h */ #define KUNIT_TABLE() \ -- 2.47.3