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authorMax Filippov <jcmvbkbc@gmail.com>2014-06-09 20:18:24 +0200
committerMax Filippov <jcmvbkbc@gmail.com>2014-06-09 20:29:12 +0200
commitbe6ae382dc153da51cf066c8dd523aa955f02531 (patch)
tree5fce94b6924dbfd75cf8bdcf6253441b7b3d9b92
parentxtensa: add fixup for double exception raised in window overflow (diff)
downloadlinux-be6ae382dc153da51cf066c8dd523aa955f02531.tar.xz
linux-be6ae382dc153da51cf066c8dd523aa955f02531.zip
xtensa: fix sysmem reservation at the end of existing block
When sysmem reservation occurs exactly at the end of an existing block that block is deleted, because it is incorrectly included in the range of memblocks to remove. Fix that by skipping such block. Cc: stable@vger.kernel.org Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
-rw-r--r--arch/xtensa/mm/init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 4224256bb215..77ed20209ca5 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -191,7 +191,7 @@ int __init mem_reserve(unsigned long start, unsigned long end, int must_exist)
return -EINVAL;
}
- if (it && start - it->start < bank_sz) {
+ if (it && start - it->start <= bank_sz) {
if (start == it->start) {
if (end - it->start < bank_sz) {
it->start = end;