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Commit a4898760 authored by Mitko Haralanov's avatar Mitko Haralanov Committed by Doug Ledford
Browse files

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: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: default avatarDean Luick <dean.luick@intel.com>
Signed-off-by: default avatarMitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: default avatarJubin John <jubin.john@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 0f310a00

drivers/staging/rdma/hfi1/mmu_rb.c

+3 −3
Original line number Diff line number Diff line
@@ -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))