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author | John Crispin <blogic@openwrt.org> | 2015-07-17 12:48:39 +0000 |
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committer | John Crispin <blogic@openwrt.org> | 2015-07-17 12:48:39 +0000 |
commit | 5557174f793f95c1026b5412e721daa083a77e24 (patch) | |
tree | f7241e26cb7a88d2490021a1c2053c088d4a5256 /target/linux/brcm2708/patches-4.1/0045-vmstat-Workaround-for-issue-where-dirty-page-count-g.patch | |
parent | 0ac89d02198acd85904e22559a0936c70fbfb294 (diff) | |
download | master-187ad058-5557174f793f95c1026b5412e721daa083a77e24.tar.gz master-187ad058-5557174f793f95c1026b5412e721daa083a77e24.tar.bz2 master-187ad058-5557174f793f95c1026b5412e721daa083a77e24.zip |
brcm2708: add linux 4.1 support
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@46399 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0045-vmstat-Workaround-for-issue-where-dirty-page-count-g.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.1/0045-vmstat-Workaround-for-issue-where-dirty-page-count-g.patch | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0045-vmstat-Workaround-for-issue-where-dirty-page-count-g.patch b/target/linux/brcm2708/patches-4.1/0045-vmstat-Workaround-for-issue-where-dirty-page-count-g.patch new file mode 100644 index 0000000000..85cdc71c17 --- /dev/null +++ b/target/linux/brcm2708/patches-4.1/0045-vmstat-Workaround-for-issue-where-dirty-page-count-g.patch @@ -0,0 +1,27 @@ +From 63dc5102ff1e782a18c891169ef614ff83fd16da Mon Sep 17 00:00:00 2001 +From: popcornmix <popcornmix@gmail.com> +Date: Wed, 18 Jun 2014 13:42:01 +0100 +Subject: [PATCH 045/121] vmstat: Workaround for issue where dirty page count + goes negative + +See: +https://github.com/raspberrypi/linux/issues/617 +http://www.spinics.net/lists/linux-mm/msg72236.html +--- + include/linux/vmstat.h | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/include/linux/vmstat.h ++++ b/include/linux/vmstat.h +@@ -241,7 +241,11 @@ static inline void __inc_zone_state(stru + static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item) + { + atomic_long_dec(&zone->vm_stat[item]); ++ if (item == NR_FILE_DIRTY && unlikely(atomic_long_read(&zone->vm_stat[item]) < 0)) ++ atomic_long_set(&zone->vm_stat[item], 0); + atomic_long_dec(&vm_stat[item]); ++ if (item == NR_FILE_DIRTY && unlikely(atomic_long_read(&vm_stat[item]) < 0)) ++ atomic_long_set(&vm_stat[item], 0); + } + + static inline void __inc_zone_page_state(struct page *page, |