[Xen-changelog] [xen stable-4.9] x86/srat: fix the end pfn check in valid_numa_range()

[patchbot@xxxxxxx]

commit 072ede467c14366f44d339e71d243247f2413470
Author:     Haozhong Zhang <haozhong.zhang@xxxxxxxxx>
AuthorDate: Tue Mar 6 16:01:11 2018 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Mar 6 16:01:11 2018 +0100

    x86/srat: fix the end pfn check in valid_numa_range()
    
    ... and fix the coding style on fly.
    
    valid_numa_range(..., epfn << PAGE_SHIFT, ...) and its only caller
    memory_add(..., epfn, pxm) interpret epfn inconsistently. The former
    interprets epfn as the last pfn, while the latter interprets it as the
    last pfn plus one. Fix this inconsistency in valid_numa_range(), since
    most of other places use the latter interpretation.
    
    Signed-off-by: Haozhong Zhang <haozhong.zhang@xxxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: 722648676751fda39086f54d961640f88174360b
    master date: 2018-02-12 11:08:33 +0000
---
 xen/arch/x86/srat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/srat.c b/xen/arch/x86/srat.c
index d86783eddd..1e455cc9da 100644
--- a/xen/arch/x86/srat.c
+++ b/xen/arch/x86/srat.c
@@ -110,8 +110,8 @@ int valid_numa_range(u64 start, u64 end, nodeid_t node)
        for (i = 0; i < num_node_memblks; i++) {
                struct node *nd = &node_memblk_range[i];
 
-               if (nd->start <= start && nd->end > end &&
-                       memblk_nodeid[i] == node )
+               if (nd->start <= start && nd->end >= end &&
+                       memblk_nodeid[i] == node)
                        return 1;
        }
 
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.9

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