mm: percpu: enable per-cpu allocation tagging
authorSuren Baghdasaryan <surenb@google.com>
Thu, 21 Mar 2024 16:36:51 +0000 (09:36 -0700)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 26 Apr 2024 03:55:56 +0000 (20:55 -0700)
commit24e44cc22aa3112082f2ee23137d048c73ca96d5
tree1e027f572dbe1eaddb514953c3f925c5ff30fce8
parent60fa4a9e232317217aaf8bb956079f6b8c79fb28
mm: percpu: enable per-cpu allocation tagging

Redefine __alloc_percpu, __alloc_percpu_gfp and __alloc_reserved_percpu
to record allocations and deallocations done by these functions.

[surenb@google.com: undo _noprof additions in the documentation]
Link: https://lkml.kernel.org/r/20240326231453.1206227-6-surenb@google.com
Link: https://lkml.kernel.org/r/20240321163705.3067592-30-surenb@google.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Tested-by: Kees Cook <keescook@chromium.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Andreas Hindborg <a.hindborg@samsung.com>
Cc: Benno Lossin <benno.lossin@proton.me>
Cc: "Björn Roy Baron" <bjorn3_gh@protonmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Gary Guo <gary@garyguo.net>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wedson Almeida Filho <wedsonaf@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
include/linux/percpu.h
mm/percpu.c