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authorSuren Baghdasaryan <surenb@google.com>2024-02-10 16:19:58 -0800
committerSuren Baghdasaryan <surenb@google.com>2024-03-21 00:01:43 +0000
commit646cd36ea584cb73c3dbd231428a06eeac9a5805 (patch)
tree1776035e72815d6b8a86722c09fa14d15a8b92b9
parent752efe69b2fcae5f76963200cc2ae57140535767 (diff)
mm: percpu: increase PERCPU_MODULE_RESERVE to accommodate allocation tags
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. Signed-off-by: Suren Baghdasaryan <surenb@google.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Tejun Heo <tj@kernel.org>
-rw-r--r--include/linux/percpu.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index 8c677f185901..62b5eb45bd89 100644
--- a/include/linux/percpu.h
+++ b/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 << 12)
+#else
#define PERCPU_MODULE_RESERVE (8 << 10)
+#endif
#else
#define PERCPU_MODULE_RESERVE 0
#endif