From: Mitko Haralanov Date: Tue, 8 Mar 2016 19:15:16 +0000 (-0800) Subject: IB/hfi1: Adjust last address values for intervals X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a489876010377481823ae5dbbd83fa32792a2e16;p=linux-beck.git IB/hfi1: Adjust last address values for intervals Last address values for intervals in the interval RB tree nodes should be non-inclusive in order to avoid confusing ranges. Reviewed-by: Dennis Dalessandro Reviewed-by: Dean Luick Signed-off-by: Mitko Haralanov Signed-off-by: Jubin John Signed-off-by: Doug Ledford --- diff --git a/drivers/staging/rdma/hfi1/mmu_rb.c b/drivers/staging/rdma/hfi1/mmu_rb.c index 6edd5f022057..c7ad0164ea9a 100644 --- a/drivers/staging/rdma/hfi1/mmu_rb.c +++ b/drivers/staging/rdma/hfi1/mmu_rb.c @@ -90,7 +90,7 @@ static unsigned long mmu_node_start(struct mmu_rb_node *node) static unsigned long mmu_node_last(struct mmu_rb_node *node) { - return ((node->addr & PAGE_MASK) + node->len); + return PAGE_ALIGN((node->addr & PAGE_MASK) + node->len) - 1; } int hfi1_mmu_rb_register(struct rb_root *root, struct mmu_rb_ops *ops) @@ -281,8 +281,8 @@ static void mmu_notifier_mem_invalidate(struct mmu_notifier *mn, unsigned long flags; spin_lock_irqsave(&handler->lock, flags); - for (node = __mmu_int_rb_iter_first(root, start, end); node; - node = __mmu_int_rb_iter_next(node, start, end)) { + for (node = __mmu_int_rb_iter_first(root, start, end - 1); node; + node = __mmu_int_rb_iter_next(node, start, end - 1)) { hfi1_cdbg(MMU, "Invalidating node addr 0x%llx, len %u", node->addr, node->len); if (handler->ops->invalidate(root, node))