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mm: change anon_vma linking to fix multi-process server scalability issue
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
arch
/
ia64
/
kernel
/
perfmon.c
diff --git
a/arch/ia64/kernel/perfmon.c
b/arch/ia64/kernel/perfmon.c
index
b81e46b
..
703062c
100644
(file)
--- a/
arch/ia64/kernel/perfmon.c
+++ b/
arch/ia64/kernel/perfmon.c
@@
-2315,6
+2315,7
@@
pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t
DPRINT(("Cannot allocate vma\n"));
goto error_kmem;
}
+ INIT_LIST_HEAD(&vma->anon_vma_chain);
/*
* partially initialize the vma for the sampling buffer