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    SubjectRe: [PATCH 18/40] autonuma: call autonuma_setup_new_exec()
    On Thu, Jun 28, 2012 at 02:55:58PM +0200, Andrea Arcangeli wrote:
    > 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.

    The previous patch mentioned that it can run in bypass mode. Is
    this also able to do so? Meaning that these calls end up doing nops?

    Thanks!
    >
    > 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);
    >
    > --
    > To unsubscribe, send a message with 'unsubscribe linux-mm' in
    > the body to majordomo@kvack.org. For more info on Linux MM,
    > see: http://www.linux-mm.org/ .
    > Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
    >


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