From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E95A63955E1; Fri, 10 Jul 2026 20:21:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783714885; cv=none; b=UZs9TiSYrOBrazHMYwZGqgvcPkbszlCV8Q61zXCDCmwjhxwsUfzZA6NKpiwBEc2MrHyuXSBUmZuPASLHrSPv7ti8rVBOhPO430P7+Jdj1kILV0oY2OKy0/FY/JY8JnvbHvUlnYEcR1ynOWbQxmtty3QqnNQ8UN8wRUAqg3uK7mQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783714885; c=relaxed/simple; bh=BHX0baiEr9bg7gCqCCxbadqLVVJLcigeq+b/x/sekB0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=I+dV/zC0t0xP+BUkoo69vLe+vrLJz8ZCFycsgxtuLviVifPghruM9XValNEeAZdRAhjGLCe6dhE84EZmK3fd7mm2wiuAsk0GA3gWmkqXxC54Mt+LZpuORFJ8bp2amqCkAg8wfKaoajbfrcKV3MWYRaI4sCN4NcQR/bRlHMKsSeE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YA5DDqaf; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YA5DDqaf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D21581F000E9; Fri, 10 Jul 2026 20:21:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783714883; bh=gVQmK7W6QoKtw/kGvaitEcUKY+xFpiYNr8Q5ruqmHhg=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=YA5DDqafLIqNPLP9XGD/K2+Z42mVK146zNneUnUQphi9T6ZT5dS9mtuvVEfhJDTSi s//g62lEPa/5fM6Rj+MfHLeFXY4lmP8YRRNVv/IBUuJF+3suQJzo279O+JLZ3oR0g8 17RPG3oi0R+HZ04oSDHcjxfiOvDAfUyl/59WBZGvYlcTsOfv5QtyYXwRI0mROoCNg6 bDmWqupn7Bivg41Bjy1cY8FcRJcw1cPUnFVaTBUJXi8e+rHys2oigCKJ0ZN7zH42Qh xqfydxdwf+sygnAcS/tTpUOLud5oxgOgbKSoUNdV2wDLWFryUxryD6cA7pwzceYtQs toirvlGHi640Q== From: Lorenzo Stoakes Date: Fri, 10 Jul 2026 21:16:51 +0100 Subject: [PATCH v2 10/33] mm/rmap: rename anon_vma_interval_tree_*() params and use pgoff_t Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260710-b4-pre-scalable-cow-v2-10-2a5aa403d977@kernel.org> References: <20260710-b4-pre-scalable-cow-v2-0-2a5aa403d977@kernel.org> In-Reply-To: <20260710-b4-pre-scalable-cow-v2-0-2a5aa403d977@kernel.org> To: Andrew Morton , David Hildenbrand , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Rik van Riel , Harry Yoo , Jann Horn , Lance Yang , Pedro Falcato , Russell King , Dinh Nguyen , Simon Schuster , "James E.J. Bottomley" , Helge Deller , Alexander Viro , Christian Brauner , Jan Kara , Dan Williams , Matthew Wilcox , Muchun Song , Oscar Salvador , Masami Hiramatsu , Oleg Nesterov , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Zi Yan , Baolin Wang , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Miaohe Lin , Naoya Horiguchi , Xu Xin , Chengming Zhou , SJ Park , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Hugh Dickins , Peter Xu , Kees Cook , Marek Szyprowski , Robin Murphy , Andrey Konovalov , Alexander Potapenko , Dmitry Vyukov , Steven Rostedt , Mathieu Desnoyers , Jarkko Sakkinen , Dave Hansen , Thomas Gleixner , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Ian Abbott , H Hartley Sweeten , Lucas Stach , Christian Gmeiner , David Airlie , Simona Vetter , Patrik Jakobsson , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Tomi Valkeinen , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Christian Koenig , Huang Rui , Matthew Auld , Jason Gunthorpe , Yishai Hadas , Shameer Kolothum , Kevin Tian , Ankit Agrawal , Alex Williamson , Paolo Bonzini , Shakeel Butt , Usama Arif Cc: Lorenzo Stoakes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, linux-fsdevel@vger.kernel.org, nvdimm@lists.linux.dev, linux-perf-users@vger.kernel.org, linux-trace-kernel@vger.kernel.org, damon@lists.linux.dev, iommu@lists.linux.dev, kasan-dev@googlegroups.com, linux-sgx@vger.kernel.org, etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, linux-tegra@vger.kernel.org, kvm@vger.kernel.org, Russell King X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=5211; i=ljs@kernel.org; h=from:subject:message-id; bh=BHX0baiEr9bg7gCqCCxbadqLVVJLcigeq+b/x/sekB0=; b=owGbwMvMwCV2fu7ZrsZH9SKMp9WSGLICg62/nLvR48oWtTJvwtcdDA9nW79gPecs6J5qwZB8n +XZu7VdHaUsDGJcDLJiiizPv4jvDxIJm9d5wd8NZg4rE8gQBi5OAZgIkw4jQxvjWqM9y/w8s1l1 C5JkljBK2jl9eq/WKbJLfeZ/rp9NCxn+GTsztZksXHtZye1dF8fVwCnL321Zn9aseENRcKXNgt5 7/AA= X-Developer-Key: i=ljs@kernel.org; a=openpgp; fpr=E7F417BF5214569E89D04F46CF9DCD8A81E27F14 Rename parameters used by anon_vma_interval_tree_*() functions: 'node' to 'avc', 'start/first' to 'pgoff_start', and 'last' to 'pgoff_last' to make clear what is being passed. Also, express page offsets in terms of pgoff_t to be consistent. No functional change intended. Signed-off-by: Lorenzo Stoakes --- include/linux/mm.h | 19 +++++++++++-------- mm/interval_tree.c | 34 +++++++++++++++++----------------- 2 files changed, 28 insertions(+), 25 deletions(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 5d825824f7e4..ae7c976b516a 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -4110,23 +4110,26 @@ mapping_rmap_tree_iter_next(struct vm_area_struct *vma, vma; vma = mapping_rmap_tree_iter_next(vma, pgoff_start, \ pgoff_last)) -void anon_vma_interval_tree_insert(struct anon_vma_chain *node, +void anon_vma_interval_tree_insert(struct anon_vma_chain *avc, struct anon_vma *anon_vma); -void anon_vma_interval_tree_remove(struct anon_vma_chain *node, +void anon_vma_interval_tree_remove(struct anon_vma_chain *avc, struct anon_vma *anon_vma); + struct anon_vma_chain * anon_vma_interval_tree_iter_first(struct anon_vma *anon_vma, - unsigned long start, unsigned long last); + pgoff_t pgoff_start, pgoff_t pgoff_last); struct anon_vma_chain * anon_vma_interval_tree_iter_next(struct anon_vma_chain *avc, - unsigned long start, unsigned long last); + pgoff_t pgoff_start, pgoff_t pgoff_last); #ifdef CONFIG_DEBUG_VM_RB -void anon_vma_interval_tree_verify(struct anon_vma_chain *node); +void anon_vma_interval_tree_verify(struct anon_vma_chain *avc); #endif -#define anon_vma_interval_tree_foreach(avc, root, start, last) \ - for (avc = anon_vma_interval_tree_iter_first(root, start, last); \ - avc; avc = anon_vma_interval_tree_iter_next(avc, start, last)) +#define anon_vma_interval_tree_foreach(avc, anon_vma, pgoff_start, pgoff_last) \ + for (avc = anon_vma_interval_tree_iter_first(anon_vma, pgoff_start, \ + pgoff_last); \ + avc; avc = anon_vma_interval_tree_iter_next(avc, pgoff_start, \ + pgoff_last)) /* mmap.c */ extern int __vm_enough_memory(const struct mm_struct *mm, long pages, int cap_sys_admin); diff --git a/mm/interval_tree.c b/mm/interval_tree.c index b82d2a0d9c4e..5bfe95b5cd28 100644 --- a/mm/interval_tree.c +++ b/mm/interval_tree.c @@ -81,55 +81,55 @@ mapping_rmap_tree_iter_next(struct vm_area_struct *vma, /* Anonymous interval tree (anon_vma->rb_root) */ -static unsigned long avc_start_pgoff(struct anon_vma_chain *avc) +static pgoff_t avc_start_pgoff(struct anon_vma_chain *avc) { return vma_start_pgoff(avc->vma); } -static unsigned long avc_last_pgoff(struct anon_vma_chain *avc) +static pgoff_t avc_last_pgoff(struct anon_vma_chain *avc) { return vma_last_pgoff(avc->vma); } -INTERVAL_TREE_DEFINE(struct anon_vma_chain, rb, unsigned long, rb_subtree_last, +INTERVAL_TREE_DEFINE(struct anon_vma_chain, rb, pgoff_t, rb_subtree_last, avc_start_pgoff, avc_last_pgoff, static, __anon_vma_interval_tree) -void anon_vma_interval_tree_insert(struct anon_vma_chain *node, +void anon_vma_interval_tree_insert(struct anon_vma_chain *avc, struct anon_vma *anon_vma) { #ifdef CONFIG_DEBUG_VM_RB - node->cached_vma_start = avc_start_pgoff(node); - node->cached_vma_last = avc_last_pgoff(node); + avc->cached_vma_start = avc_start_pgoff(avc); + avc->cached_vma_last = avc_last_pgoff(avc); #endif - __anon_vma_interval_tree_insert(node, &anon_vma->rb_root); + __anon_vma_interval_tree_insert(avc, &anon_vma->rb_root); } -void anon_vma_interval_tree_remove(struct anon_vma_chain *node, +void anon_vma_interval_tree_remove(struct anon_vma_chain *avc, struct anon_vma *anon_vma) { - __anon_vma_interval_tree_remove(node, &anon_vma->rb_root); + __anon_vma_interval_tree_remove(avc, &anon_vma->rb_root); } struct anon_vma_chain * anon_vma_interval_tree_iter_first(struct anon_vma *anon_vma, - unsigned long first, unsigned long last) + pgoff_t pgoff_start, pgoff_t pgoff_last) { return __anon_vma_interval_tree_iter_first(&anon_vma->rb_root, - first, last); + pgoff_start, pgoff_last); } struct anon_vma_chain * -anon_vma_interval_tree_iter_next(struct anon_vma_chain *node, - unsigned long first, unsigned long last) +anon_vma_interval_tree_iter_next(struct anon_vma_chain *avc, + pgoff_t pgoff_start, pgoff_t pgoff_last) { - return __anon_vma_interval_tree_iter_next(node, first, last); + return __anon_vma_interval_tree_iter_next(avc, pgoff_start, pgoff_last); } #ifdef CONFIG_DEBUG_VM_RB -void anon_vma_interval_tree_verify(struct anon_vma_chain *node) +void anon_vma_interval_tree_verify(struct anon_vma_chain *avc) { - WARN_ON_ONCE(node->cached_vma_start != avc_start_pgoff(node)); - WARN_ON_ONCE(node->cached_vma_last != avc_last_pgoff(node)); + WARN_ON_ONCE(avc->cached_vma_start != avc_start_pgoff(avc)); + WARN_ON_ONCE(avc->cached_vma_last != avc_last_pgoff(avc)); } #endif -- 2.55.0