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-rw-r--r--target/linux/brcm2708/patches-4.19/950-0029-mm-Remove-the-PFN-busy-warning.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0029-mm-Remove-the-PFN-busy-warning.patch b/target/linux/brcm2708/patches-4.19/950-0029-mm-Remove-the-PFN-busy-warning.patch
new file mode 100644
index 0000000000..76a53fea0d
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0029-mm-Remove-the-PFN-busy-warning.patch
@@ -0,0 +1,25 @@
+From a8a5ad555b7168ce90263395dc5f26b99af9bf4e Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Thu, 18 Dec 2014 16:07:15 -0800
+Subject: [PATCH] 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>
+---
+ mm/page_alloc.c | 2 --
+ 1 file changed, 2 deletions(-)
+
+--- a/mm/page_alloc.c
++++ b/mm/page_alloc.c
+@@ -7977,8 +7977,6 @@ int alloc_contig_range(unsigned long sta
+
+ /* Make sure the range is really isolated. */
+ if (test_pages_isolated(outer_start, end, false)) {
+- pr_info_ratelimited("%s: [%lx, %lx) PFNs busy\n",
+- __func__, outer_start, end);
+ ret = -EBUSY;
+ goto done;
+ }