mm: Remove the PFN busy warning

See commit dae803e165a11bc88ca8dbc07a11077caf97bbcb -- the warning is
expected sometimes when using CMA.  However, that commit still spams
my kernel log with these warnings.

Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 14b9e83..617b982 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -8579,8 +8579,6 @@ int alloc_contig_range(unsigned long start, unsigned long end,
 
        /* Make sure the range is really isolated. */
        if (test_pages_isolated(outer_start, end, 0)) {
-               pr_info_ratelimited("%s: [%lx, %lx) PFNs busy\n",
-                       __func__, outer_start, end);
                ret = -EBUSY;
                goto done;
        }