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Subject[PATCH 18/40] autonuma: call autonuma_setup_new_exec()
Date
This resets all per-thread and per-process statistics across exec
syscalls or after kernel threads detached from the mm. The past
statistical NUMA information is unlikely to be relevant for the future
in these cases.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---
fs/exec.c | 3 +++
mm/mmu_context.c | 2 ++
2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/fs/exec.c b/fs/exec.c
index da27b91..146ced2 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -55,6 +55,7 @@
#include <linux/pipe_fs_i.h>
#include <linux/oom.h>
#include <linux/compat.h>
+#include <linux/autonuma.h>

#include <asm/uaccess.h>
#include <asm/mmu_context.h>
@@ -1172,6 +1173,8 @@ void setup_new_exec(struct linux_binprm * bprm)

flush_signal_handlers(current, 0);
flush_old_files(current->files);
+
+ autonuma_setup_new_exec(current);
}
EXPORT_SYMBOL(setup_new_exec);

diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index 3dcfaf4..40f0f13 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -7,6 +7,7 @@
#include <linux/mmu_context.h>
#include <linux/export.h>
#include <linux/sched.h>
+#include <linux/autonuma.h>

#include <asm/mmu_context.h>

@@ -58,5 +59,6 @@ void unuse_mm(struct mm_struct *mm)
/* active_mm is still 'mm' */
enter_lazy_tlb(mm, tsk);
task_unlock(tsk);
+ autonuma_setup_new_exec(tsk);
}
EXPORT_SYMBOL_GPL(unuse_mm);

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