The quilt patch titled
Subject: mm: percpu: increase PERCPU_MODULE_RESERVE to accommodate allocation tags
has been removed from the -mm tree. Its filename was
mm-percpu-increase-percpu_module_reserve-to-accommodate-allocation-tags.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Subject: mm: percpu: increase PERCPU_MODULE_RESERVE to accommodate allocation tags
Date: Thu, 21 Mar 2024 09:36:38 -0700
As each allocation tag generates a per-cpu variable, more space is
required to store them. Increase PERCPU_MODULE_RESERVE to provide enough
area. A better long-term solution would be to allocate this memory
dynamically.
[surenb@xxxxxxxxxx: increase PERCPU_MODULE_RESERVE to accommodate allocation tags]
Link: https://lkml.kernel.org/r/20240406214044.1114406-1-surenb@xxxxxxxxxx
Link: https://lkml.kernel.org/r/20240321163705.3067592-17-surenb@xxxxxxxxxx
Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Tested-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Alex Gaynor <alex.gaynor@xxxxxxxxx>
Cc: Alice Ryhl <aliceryhl@xxxxxxxxxx>
Cc: Andreas Hindborg <a.hindborg@xxxxxxxxxxx>
Cc: Benno Lossin <benno.lossin@xxxxxxxxx>
Cc: "Björn Roy Baron" <bjorn3_gh@xxxxxxxxxxxxxx>
Cc: Boqun Feng <boqun.feng@xxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Dennis Zhou <dennis@xxxxxxxxxx>
Cc: Gary Guo <gary@xxxxxxxxxxx>
Cc: Miguel Ojeda <ojeda@xxxxxxxxxx>
Cc: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Wedson Almeida Filho <wedsonaf@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/percpu.h | 4 ++++
1 file changed, 4 insertions(+)
--- a/include/linux/percpu.h~mm-percpu-increase-percpu_module_reserve-to-accommodate-allocation-tags
+++ a/include/linux/percpu.h
@@ -14,7 +14,11 @@
/* enough to cover all DEFINE_PER_CPUs in modules */
#ifdef CONFIG_MODULES
+#ifdef CONFIG_MEM_ALLOC_PROFILING
+#define PERCPU_MODULE_RESERVE (8 << 13)
+#else
#define PERCPU_MODULE_RESERVE (8 << 10)
+#endif
#else
#define PERCPU_MODULE_RESERVE 0
#endif
_
Patches currently in -mm which might be from surenb@xxxxxxxxxx are
userfaultfd-remove-write_once-when-setting-folio-index-during-uffdio_move.patch
