brcm2708: update to latest patches from RPi Foundation

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0029-mm-Remove-the-PFN-busy-warning.patch

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 (file)
index 0000000..76a53fe
--- /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;
+       }