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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 <dennis.dalessandro@intel.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Mitko Haralanov 2016-03-08 11:15:16 -08:00 committed by Doug Ledford
parent 0f310a00e0
commit a489876010
1 changed files with 3 additions and 3 deletions
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6
drivers/staging/rdma/hfi1/mmu_rb.c
View File

@ -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))