3.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Max Filippov <jcmvb...@gmail.com>
commit be6ae382dc153da51cf066c8dd523aa955f02531 upstream.
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.
Signed-off-by: Max Filippov <jcmvb...@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/xtensa/mm/init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -191,7 +191,7 @@ int __init mem_reserve(unsigned long sta
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;
--
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