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@xxxxxxxxxx> --- 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 52c9e2f..17330ba 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> @@ -1176,6 +1177,8 @@ 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); -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>