mm: per-thread vma caching

[linux-2.6-block.git] / fs / exec.c

diff --git a/fs/exec.c b/fs/exec.c
index 25dfeba6d55f8ce8752fa551fbc823535077ef0e..b60ccf969a8b3384eb66ffc1e95a0e07dc3e588f 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -26,6 +26,7 @@
 #include <linux/file.h>
 #include <linux/fdtable.h>
 #include <linux/mm.h>
+#include <linux/vmacache.h>
 #include <linux/stat.h>
 #include <linux/fcntl.h>
 #include <linux/swap.h>
@@ -822,7 +823,7 @@ EXPORT_SYMBOL(read_code);
 static int exec_mmap(struct mm_struct *mm)
 {
        struct task_struct *tsk;
-       struct mm_struct * old_mm, *active_mm;
+       struct mm_struct *old_mm, *active_mm;
 
        /* Notify parent that we're no longer interested in the old VM */
        tsk = current;
@@ -848,6 +849,8 @@ static int exec_mmap(struct mm_struct *mm)
        tsk->mm = mm;
        tsk->active_mm = mm;
        activate_mm(active_mm, mm);
+       tsk->mm->vmacache_seqnum = 0;
+       vmacache_flush(tsk);
        task_unlock(tsk);
        if (old_mm) {
                up_read(&old_mm->mmap_sem);