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Ryhl wrote: > On Fri, Nov 14, 2025 at 3:02 PM Lorenzo Stoakes > wrote: > > > > On Fri, Nov 14, 2025 at 01:50:45PM +0000, Alice Ryhl wrote: > > > On Fri, Nov 14, 2025 at 01:26:08PM +0000, Lorenzo Stoakes wrote: > > > > diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h > > > > index 2e43c66635a2..4c327db01ca0 100644 > > > > --- a/rust/bindings/bindings_helper.h > > > > +++ b/rust/bindings/bindings_helper.h > > > > @@ -108,7 +108,32 @@ const xa_mark_t RUST_CONST_HELPER_XA_PRESENT = XA_PRESENT; > > > > > > > > const gfp_t RUST_CONST_HELPER_XA_FLAGS_ALLOC = XA_FLAGS_ALLOC; > > > > const gfp_t RUST_CONST_HELPER_XA_FLAGS_ALLOC1 = XA_FLAGS_ALLOC1; > > > > + > > > > const vm_flags_t RUST_CONST_HELPER_VM_MERGEABLE = VM_MERGEABLE; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_READ = VM_READ; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_WRITE = VM_WRITE; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_EXEC = VM_EXEC; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_SHARED = VM_SHARED; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_MAYREAD = VM_MAYREAD; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_MAYWRITE = VM_MAYWRITE; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_MAYEXEC = VM_MAYEXEC; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_MAYSHARE = VM_MAYEXEC; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_PFNMAP = VM_PFNMAP; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_IO = VM_IO; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_DONTCOPY = VM_DONTCOPY; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_DONTEXPAND = VM_DONTEXPAND; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_LOCKONFAULT = VM_LOCKONFAULT; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_ACCOUNT = VM_ACCOUNT; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_NORESERVE = VM_NORESERVE; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_HUGETLB = VM_HUGETLB; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_SYNC = VM_SYNC; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_ARCH_1 = VM_ARCH_1; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_WIPEONFORK = VM_WIPEONFORK; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_DONTDUMP = VM_DONTDUMP; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_SOFTDIRTY = VM_SOFTDIRTY; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_MIXEDMAP = VM_MIXEDMAP; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_HUGEPAGE = VM_HUGEPAGE; > > > > +const vm_flags_t RUST_CONST_HELPER_VM_NOHUGEPAGE = VM_NOHUGEPAGE; > > > > > > I got this error: > > > > > > error[E0428]: the name `VM_SOFTDIRTY` is defined multiple times > > > --> rust/bindings/bindings_generated.rs:115967:1 > > > | > > > 13440 | pub const VM_SOFTDIRTY: u32 = 0; > > > | -------------------------------- previous definition of the value `VM_SOFTDIRTY` here > > > ... > > > 115967 | pub const VM_SOFTDIRTY: vm_flags_t = 0; > > > | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `VM_SOFTDIRTY` redefined here > > > | > > > = note: `VM_SOFTDIRTY` must be defined only once in the value namespace of this module > > > > > > > That's odd, obviously I build tested this and didn't get the same error. > > > > Be good to know what config options to enable for testing for rust. I repro'd > > the previously reported issues, and new ones since I'm now declaring these > > values consistently using BIT(). > > > > But in my build locally, no errors with LLVM=1 and CONFIG_RUST=y. > > I got this error because my config defines VM_SOFTDIRTY as VM_NONE, > which bindgen can resolve to zero. You probably have a config where > it's defined using a function-like macro, so bindgen did not generate > a duplicate for you. Ugh yeah of course, damn. > > > > Please add the constants in rust/bindgen_parameters next to > > > ARCH_KMALLOC_MINALIGN to avoid this error. This ensures that only the > > > version from bindings_helper.h is generated. > > > > As in > > > > --block-list-item for every flag? > > Yes. OK will send a fixpatch, better to add them all to be safe. Bit ugly but we can fix this up later when I add in the actual accessor helpers. > > Alice > Thanks, Lorenzo