Thread (60 messages) 60 messages, 8 authors, 2026-03-11

Re: [PATCH v1 02/16] mm/memory: remove "zap_details" parameter from zap_page_range_single()

From: Alice Ryhl <aliceryhl@google.com>
Date: 2026-02-28 12:38:51
Also in: bpf, dri-devel, intel-gfx, kvm, linux-fsdevel, linux-mm, linux-perf-users, linux-rdma, linux-s390, linuxppc-dev, lkml, rust-for-linux

On Fri, Feb 27, 2026 at 09:08:33PM +0100, David Hildenbrand (Arm) wrote:
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) <david@kernel.org>
quoted hunk ↗ jump to hunk
diff --git a/rust/kernel/mm/virt.rs b/rust/kernel/mm/virt.rs
index da21d65ccd20..b8e59e4420f3 100644
--- a/rust/kernel/mm/virt.rs
+++ b/rust/kernel/mm/virt.rs
@@ -124,7 +124,7 @@ pub fn zap_page_range_single(&self, address: usize, size: usize) {
         // sufficient for this method call. This method has no requirements on the vma flags. The
         // address range is checked to be within the vma.
         unsafe {
-            bindings::zap_page_range_single(self.as_ptr(), address, size, core::ptr::null_mut())
+            bindings::zap_page_range_single(self.as_ptr(), address, size)
         };
Please run rustfmt on Rust changes. Here, rustfmt leads to this being
formatted on a single line:

unsafe { bindings::zap_page_range_single(self.as_ptr(), address, size) };

with the above changed:

Acked-by: Alice Ryhl <aliceryhl@google.com> # Rust and Binder

Alice
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