From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1347C3BE14A; Mon, 9 Mar 2026 16:44:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773074655; cv=none; b=jiIJmXdkHaPa/GL1PHUFkuBqFbwgQRi/1izVxMiemo6u0n68m6HP9l9579zHEXAXvleDUssZNZNHn/aq/Fb00M0IbRuhIc+PmydC3XlarWa/WIjYS+81439Mwa3bCt8CJP27RkL0sfLGUH7pUE/vTeOuz/j/ntpjfEcGUKk9zcY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773074655; c=relaxed/simple; bh=Uk7QgN6xzOCWYu8MBXFyjWy0R+x2ZeLTbcNOpvXhzcE=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=RNgSKDtNyomlCLk2B1/HCCni4CujI6n/mP1XFJicpkgAJ0qyRroUoOlfR8+xCaoub/bWP7GEgdzp0Nn4nzstp+sH30zI21eEzsE+ljIqthw8kyP7zOjYHp8tF+YjHsvNn+kcCmDaBJOnb2O6RUaQ3u/rHJmrGFFwfY0Lu82qmsM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=N83WeFjH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="N83WeFjH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26F45C2BC86; Mon, 9 Mar 2026 16:44:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773074654; bh=Uk7QgN6xzOCWYu8MBXFyjWy0R+x2ZeLTbcNOpvXhzcE=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=N83WeFjHOOqWdbT02p7u6F13MMV7RRau8GbcaBSyL47Q6vraRT6zI0/uD7vTeMN+7 jEganNn2JAI3p1bhGbQgVTlIj/PYZ25c4VNozic7qKb9tSU1YYc6xWeetAnJuwud7a pSpMO/wkDQeTMONUSdQx3eHU/4lrDnGQQ3MZbE10I4mXfspZDeSov/kUkNe0L78NCB rLiNZBXTOVj0tOlyFahCjpdld9enU7FrrwsPTSrEy+IBzIG7ccingg6ZVLS4fysV0R cvMYjW5kHwTVCmuY0LVXEcsy6DmN2iZknFT4/P+pQzGtvpHCm6qJ5er7m3qAR6IPTW T4Mx+idBPe/FQ== From: Puranjay Mohan To: "David Hildenbrand (Arm)" , linux-kernel@vger.kernel.org Cc: "linux-mm @ kvack . org" , "David Hildenbrand (Arm)" , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jann Horn , Pedro Falcato , David Rientjes , Shakeel Butt , "Matthew Wilcox (Oracle)" , Alice Ryhl , Madhavan Srinivasan , Michael Ellerman , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Jarkko Sakkinen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Greg Kroah-Hartman , Arve =?utf-8?B?SGrDuG5uZXbDpWc=?= , Todd Kjos , Christian Brauner , Carlos Llamas , Ian Abbott , H Hartley Sweeten , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Jason Gunthorpe , Leon Romanovsky , Dimitri Sivanich , Arnd Bergmann , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Peter Zijlstra , Arnaldo Carvalho de Melo , Namhyung Kim , Andy Lutomirski , Vincenzo Frascino , Eric Dumazet , Neal Cardwell , "David S. Miller" , David Ahern , Jakub Kicinski , Paolo Abeni , Miguel Ojeda , linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-sgx@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, rust-for-linux@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v1 02/16] mm/memory: remove "zap_details" parameter from zap_page_range_single() In-Reply-To: <20260227200848.114019-3-david@kernel.org> References: <20260227200848.114019-1-david@kernel.org> <20260227200848.114019-3-david@kernel.org> Date: Mon, 09 Mar 2026 16:44:10 +0000 Message-ID: Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain "David Hildenbrand (Arm)" writes: > Nobody except memory.c should really set that parameter to non-NULL. So > let's just drop it and make unmap_mapping_range_vma() use > zap_page_range_single_batched() instead. > > Signed-off-by: David Hildenbrand (Arm) > --- > arch/s390/mm/gmap_helpers.c | 2 +- > drivers/android/binder_alloc.c | 2 +- > include/linux/mm.h | 5 ++--- > kernel/bpf/arena.c | 3 +-- > kernel/events/core.c | 2 +- > mm/madvise.c | 3 +-- > mm/memory.c | 16 ++++++++++------ > net/ipv4/tcp.c | 5 ++--- > rust/kernel/mm/virt.rs | 2 +- > 9 files changed, 20 insertions(+), 20 deletions(-) > > diff --git a/arch/s390/mm/gmap_helpers.c b/arch/s390/mm/gmap_helpers.c > index dea83e3103e5..ae2d59a19313 100644 > --- a/arch/s390/mm/gmap_helpers.c > +++ b/arch/s390/mm/gmap_helpers.c > @@ -89,7 +89,7 @@ void gmap_helper_discard(struct mm_struct *mm, unsigned long vmaddr, unsigned lo > if (!vma) > return; > if (!is_vm_hugetlb_page(vma)) > - zap_page_range_single(vma, vmaddr, min(end, vma->vm_end) - vmaddr, NULL); > + zap_page_range_single(vma, vmaddr, min(end, vma->vm_end) - vmaddr); > vmaddr = vma->vm_end; > } > } > diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c > index 241f16a9b63d..dd2046bd5cde 100644 > --- a/drivers/android/binder_alloc.c > +++ b/drivers/android/binder_alloc.c > @@ -1185,7 +1185,7 @@ enum lru_status binder_alloc_free_page(struct list_head *item, > if (vma) { > trace_binder_unmap_user_start(alloc, index); > > - zap_page_range_single(vma, page_addr, PAGE_SIZE, NULL); > + zap_page_range_single(vma, page_addr, PAGE_SIZE); > > trace_binder_unmap_user_end(alloc, index); > } > diff --git a/include/linux/mm.h b/include/linux/mm.h > index ecff8268089b..a8138ff7d1fa 100644 > --- a/include/linux/mm.h > +++ b/include/linux/mm.h > @@ -2835,11 +2835,10 @@ struct page *vm_normal_page_pud(struct vm_area_struct *vma, unsigned long addr, > void zap_vma_ptes(struct vm_area_struct *vma, unsigned long address, > unsigned long size); > void zap_page_range_single(struct vm_area_struct *vma, unsigned long address, > - unsigned long size, struct zap_details *details); > + unsigned long size); > static inline void zap_vma_pages(struct vm_area_struct *vma) > { > - zap_page_range_single(vma, vma->vm_start, > - vma->vm_end - vma->vm_start, NULL); > + zap_page_range_single(vma, vma->vm_start, vma->vm_end - vma->vm_start); > } > struct mmu_notifier_range; > > diff --git a/kernel/bpf/arena.c b/kernel/bpf/arena.c > index 144f30e740e8..c34510d83b1f 100644 > --- a/kernel/bpf/arena.c > +++ b/kernel/bpf/arena.c > @@ -656,8 +656,7 @@ static void zap_pages(struct bpf_arena *arena, long uaddr, long page_cnt) > guard(mutex)(&arena->lock); > /* iterate link list under lock */ > list_for_each_entry(vml, &arena->vma_list, head) > - zap_page_range_single(vml->vma, uaddr, > - PAGE_SIZE * page_cnt, NULL); > + zap_page_range_single(vml->vma, uaddr, PAGE_SIZE * page_cnt); > } Acked-by: Puranjay Mohan