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: [email protected]
Signed-off-by: Max Filippov <[email protected]>
---
 arch/xtensa/mm/init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 4224256..77ed202 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;
-- 
1.8.1.4

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