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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 957EFD2502E for ; Sun, 11 Jan 2026 08:29:17 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4dppZh1DZnz2yZc; Sun, 11 Jan 2026 19:29:16 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.105.4.254 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1768120156; cv=none; b=JccQmJ/ZvudzbGTABjlLfp2esUZ7dMjDXbS7Zjx8NIwQGl5RWVidJXwtYJrPd6TMgoycZamsR193EQKZthV5XrFWTPTrV9A46gcj21mW/pFv2hXJNNE6m3ifndYtT5k4SjYPHgovQcJmDKvfRtPFrQl5r4ZazWGf3qslL7KTZMsTZbdUvu9Iv3JrCCyEft72q3r5EcADOtRZACfYC0ziJ6ap/6Xj8gj0XeBS/xL0zJJ1qmvSCqMlPub0jiawub3UTkPHJNN2cXFK2UEIG4J+RjOJy0dYoRS0/s7D35+MHzSa9XgzKXzZTz8Sf2lkGjx+/Tvat1B9+SVBa05vmYQ9vg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1768120156; c=relaxed/relaxed; bh=Mw+h00YB7RAVdP7poV7dkiSai2G6Gsw/ByEs2J3Zae8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YzMnyLO3IwLv0EpqHwgBXOZcj2hzNp4wkmYiv4iyiVUYAOxDxId4tQNv/BqwP9DILm7qTspReiYTLRJFvDpMQg0nIf6iPNc8qf7PW1FrEsXxB95h4TFtXSxSZlRcEsee3V2jKiu+R2Hge/KcrpdvTL1miTSS6xij7I49ZKfNnGnzZSuBCdRzEMewh7OxcL27Cs1DJWuwYx6uwgdt71ex6cb06aksR1m3SkTwlXvyJQC5II1ZBA67yUBMfzoMWaYPWsRTyj9yjfqyWy9gTQOz+Zn4qvUSkBO4tt0rgjG3CJS9oDa8PUTKg+h4oME5qIY6+iGew1gt6fWc++8/Acpd8A== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=Ec2bGwWO; dkim-atps=neutral; spf=pass (client-ip=172.105.4.254; helo=tor.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=Ec2bGwWO; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=172.105.4.254; helo=tor.source.kernel.org; envelope-from=rppt@kernel.org; receiver=lists.ozlabs.org) Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4dppZg1gq5z2yVB for ; Sun, 11 Jan 2026 19:29:15 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 12DF960142; Sun, 11 Jan 2026 08:28:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 274D1C16AAE; Sun, 11 Jan 2026 08:28:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768120122; bh=HRLMNbJfcIyzccjy/sfTD1k/8iARayV6dPdQfJTMnWo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ec2bGwWOeOjXW+ySUXXKPm6eayFRFkSmbxQ0Yi2N08exR6X1pcnRzRL1jFrEN60gu EjR2EbdukWQDt0gz83zhTod3BcTK9hToNe52kcKWqr9xEFUT69+VRURPQ8b21IwNRd rp3gC/u2WEVHsJheESwI5qHhh9E4BZZ1xav9luUXT439xB/CPrZE8H4fLmmGL8QILy 9Yfb6Y/uPZ+yYjsvo1Q90O2WW22H/avuDFr8cB76tUKXJ5Wsc0cale2xr++cTaYOu9 eji+2hoq7YT65edlzcRMhkEPeXUV9Ua93DTgqCtd5AaZJXvzgL4tJVCdJGBVI9moFu uPmsuMV4ggZaw== From: Mike Rapoport To: Andrew Morton Cc: Alex Shi , Alexander Gordeev , Andreas Larsson , Borislav Petkov , Brian Cain , "Christophe Leroy (CS GROUP)" , Catalin Marinas , "David S. Miller" , Dave Hansen , David Hildenbrand , Dinh Nguyen , Geert Uytterhoeven , Guo Ren , Heiko Carstens , Helge Deller , Huacai Chen , Ingo Molnar , Johannes Berg , John Paul Adrian Glaubitz , Jonathan Corbet , Klara Modin , "Liam R. Howlett" , Lorenzo Stoakes , Magnus Lindholm , Matt Turner , Max Filippov , Michael Ellerman , Michal Hocko , Michal Simek , Mike Rapoport , Muchun Song , Oscar Salvador , Palmer Dabbelt , Pratyush Yadav , Richard Weinberger , Ritesh Harjani , Russell King , Stafford Horne , Suren Baghdasaryan , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Vineet Gupta , Vlastimil Babka , Will Deacon , x86@kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-cxl@vger.kernel.org, linux-doc@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, sparclinux@vger.kernel.org Subject: [PATCH v3 29/29] Revert "mm/hugetlb: deal with multiple calls to hugetlb_bootmem_alloc" Date: Sun, 11 Jan 2026 10:21:03 +0200 Message-ID: <20260111082105.290734-30-rppt@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260111082105.290734-1-rppt@kernel.org> References: <20260111082105.290734-1-rppt@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Mike Rapoport (Microsoft)" This reverts commit d58b2498200724e4f8c12d71a5953da03c8c8bdf. hugetlb_bootmem_alloc() is called only once, no need to check if it was called already at its entry. Other checks performed during HVO initialization are also no longer necessary because sparse_init() that calls hugetlb_vmemmap_init_early() and hugetlb_vmemmap_init_late() is always called after hugetlb_bootmem_alloc(). Signed-off-by: Mike Rapoport (Microsoft) Acked-by: Muchun Song --- include/linux/hugetlb.h | 6 ------ mm/hugetlb.c | 12 ------------ mm/hugetlb_vmemmap.c | 11 ----------- 3 files changed, 29 deletions(-) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 08fc332e88a7..c8b1a6dd2d46 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -175,7 +175,6 @@ extern int sysctl_hugetlb_shm_group __read_mostly; extern struct list_head huge_boot_pages[MAX_NUMNODES]; void hugetlb_bootmem_alloc(void); -bool hugetlb_bootmem_allocated(void); extern nodemask_t hugetlb_bootmem_nodes; void hugetlb_bootmem_set_nodes(void); @@ -1300,11 +1299,6 @@ static inline bool hugetlbfs_pagecache_present( static inline void hugetlb_bootmem_alloc(void) { } - -static inline bool hugetlb_bootmem_allocated(void) -{ - return false; -} #endif /* CONFIG_HUGETLB_PAGE */ static inline spinlock_t *huge_pte_lock(struct hstate *h, diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 82b322ae3fdc..e5a350c83d75 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -4470,21 +4470,11 @@ void __init hugetlb_bootmem_set_nodes(void) } } -static bool __hugetlb_bootmem_allocated __initdata; - -bool __init hugetlb_bootmem_allocated(void) -{ - return __hugetlb_bootmem_allocated; -} - void __init hugetlb_bootmem_alloc(void) { struct hstate *h; int i; - if (__hugetlb_bootmem_allocated) - return; - hugetlb_bootmem_set_nodes(); for (i = 0; i < MAX_NUMNODES; i++) @@ -4498,8 +4488,6 @@ void __init hugetlb_bootmem_alloc(void) if (hstate_is_gigantic(h)) hugetlb_hstate_alloc_pages(h); } - - __hugetlb_bootmem_allocated = true; } /* diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c index 9d01f883fd71..a9280259e12a 100644 --- a/mm/hugetlb_vmemmap.c +++ b/mm/hugetlb_vmemmap.c @@ -794,14 +794,6 @@ void __init hugetlb_vmemmap_init_early(int nid) struct huge_bootmem_page *m = NULL; void *map; - /* - * Noting to do if bootmem pages were not allocated - * early in boot, or if HVO wasn't enabled in the - * first place. - */ - if (!hugetlb_bootmem_allocated()) - return; - if (!READ_ONCE(vmemmap_optimize_enabled)) return; @@ -847,9 +839,6 @@ void __init hugetlb_vmemmap_init_late(int nid) struct hstate *h; void *map; - if (!hugetlb_bootmem_allocated()) - return; - if (!READ_ONCE(vmemmap_optimize_enabled)) return; -- 2.51.0