mempolicy trivia: delete those ancient pr_debug()s

Delete those ancient pr_debug()s - PDprintk()s in Andi Kleen's original
submission of core NUMA API, and useful when debugging shared mempolicy
lifetime back then, but not used recently.

Link: https://lkml.kernel.org/r/f25135-ffb2-40d8-9577-720772b333@google.com
Signed-off-by: Hugh Dickins <hughd@google.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Tejun heo <tj@kernel.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Yosry Ahmed <yosryahmed@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index b6d82c8bc479ea450ea133132eb7f2826d9c08cb..02a9b89c10aacd6f7dd05d15b77602f0f0d031ef 100644 (file)
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -264,9 +264,6 @@ static struct mempolicy *mpol_new(unsigned short mode, unsigned short flags,
 {
        struct mempolicy *policy;
 
-       pr_debug("setting mode %d flags %d nodes[0] %lx\n",
-                mode, flags, nodes ? nodes_addr(*nodes)[0] : NUMA_NO_NODE);
-
        if (mode == MPOL_DEFAULT) {
                if (nodes && !nodes_empty(*nodes))
                        return ERR_PTR(-EINVAL);
@@ -768,11 +765,6 @@ static int vma_replace_policy(struct vm_area_struct *vma,
 
        vma_assert_write_locked(vma);
 
-       pr_debug("vma %lx-%lx/%lx vm_ops %p vm_file %p set_policy %p\n",
-                vma->vm_start, vma->vm_end, vma->vm_pgoff,
-                vma->vm_ops, vma->vm_file,
-                vma->vm_ops ? vma->vm_ops->set_policy : NULL);
-
        new = mpol_dup(pol);
        if (IS_ERR(new))
                return PTR_ERR(new);
@@ -1273,10 +1265,6 @@ static long do_mbind(unsigned long start, unsigned long len,
        if (!new)
                flags |= MPOL_MF_DISCONTIG_OK;
 
-       pr_debug("mbind %lx-%lx mode:%d flags:%d nodes:%lx\n",
-                start, start + len, mode, mode_flags,
-                nmask ? nodes_addr(*nmask)[0] : NUMA_NO_NODE);
-
        if (flags & (MPOL_MF_MOVE | MPOL_MF_MOVE_ALL))
                lru_cache_disable();
        {
@@ -2496,8 +2484,6 @@ static void sp_insert(struct shared_policy *sp, struct sp_node *new)
        }
        rb_link_node(&new->nd, parent, p);
        rb_insert_color(&new->nd, &sp->root);
-       pr_debug("inserting %lx-%lx: %d\n", new->start, new->end,
-                new->policy ? new->policy->mode : 0);
 }
 
 /* Find shared policy intersecting idx */
@@ -2636,7 +2622,6 @@ void mpol_put_task_policy(struct task_struct *task)
 
 static void sp_delete(struct shared_policy *sp, struct sp_node *n)
 {
-       pr_debug("deleting %lx-l%lx\n", n->start, n->end);
        rb_erase(&n->nd, &sp->root);
        sp_free(n);
 }
@@ -2793,12 +2778,6 @@ int mpol_set_shared_policy(struct shared_policy *info,
        struct sp_node *new = NULL;
        unsigned long sz = vma_pages(vma);
 
-       pr_debug("set_shared_policy %lx sz %lu %d %d %lx\n",
-                vma->vm_pgoff,
-                sz, npol ? npol->mode : -1,
-                npol ? npol->flags : -1,
-                npol ? nodes_addr(npol->nodes)[0] : NUMA_NO_NODE);
-
        if (npol) {
                new = sp_alloc(vma->vm_pgoff, vma->vm_pgoff + sz, npol);
                if (!new)