The patch titled
x86_64: export physnode mapping to userspace
has been removed from the -mm tree. Its filename was
x86_64-export-physnode-mapping-to-userspace.patch
This patch was dropped because it was nacked by the maintainer
------------------------------------------------------
Subject: x86_64: export physnode mapping to userspace
From: David Rientjes <rientjes@xxxxxxxxxx>
Exports the physical NUMA node to fake NUMA node mapping to user-space via
sysfs. The information is now accessible via the 'physnode' file.
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Rohit Seth <rohitseth@xxxxxxxxxx>
Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Paul Jackson <pj@xxxxxxx>
Cc: Christoph Lameter <clameter@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/base/node.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff -puN drivers/base/node.c~x86_64-export-physnode-mapping-to-userspace drivers/base/node.c
--- a/drivers/base/node.c~x86_64-export-physnode-mapping-to-userspace
+++ a/drivers/base/node.c
@@ -131,6 +131,13 @@ static ssize_t node_read_distance(struct
}
static SYSDEV_ATTR(distance, S_IRUGO, node_read_distance, NULL);
+#ifdef CONFIG_NUMA_EMU
+static ssize_t node_read_physnode(struct sys_device *dev, char *buf)
+{
+ return sprintf(buf, "%d\n", get_phys_node(dev->id));
+}
+static SYSDEV_ATTR(physnode, S_IRUGO, node_read_physnode, NULL);
+#endif
/*
* register_node - Setup a sysfs device for a node.
@@ -151,6 +158,9 @@ int register_node(struct node *node, int
sysdev_create_file(&node->sysdev, &attr_meminfo);
sysdev_create_file(&node->sysdev, &attr_numastat);
sysdev_create_file(&node->sysdev, &attr_distance);
+#ifdef CONFIG_NUMA_EMU
+ sysdev_create_file(&node->sysdev, &attr_physnode);
+#endif
}
return error;
}
@@ -168,6 +178,9 @@ void unregister_node(struct node *node)
sysdev_remove_file(&node->sysdev, &attr_meminfo);
sysdev_remove_file(&node->sysdev, &attr_numastat);
sysdev_remove_file(&node->sysdev, &attr_distance);
+#ifdef CONFIG_NUMA_EMU
+ sysdev_remove_file(&node->sysdev, &attr_physnode);
+#endif
sysdev_unregister(&node->sysdev);
}
_
Patches currently in -mm which might be from rientjes@xxxxxxxxxx are
x86_64-disable-alien-cache-for-fake-numa.patch
x86_64-export-physnode-mapping-to-userspace.patch
i386-add-ptep_test_and_clear_dirtyyoung.patch
i386-use-pte_update_defer-in-ptep_test_and_clear_dirtyyoung.patch
i386-use-pte_update_defer-in-ptep_test_and_clear_dirtyyoung-fix.patch
smaps-extract-pmd-walker-from-smaps-code.patch
smaps-add-pages-referenced-count-to-smaps.patch
smaps-add-clear_refs-file-to-clear-reference.patch
smaps-add-clear_refs-file-to-clear-reference-fix.patch
smaps-add-clear_refs-file-to-clear-reference-fix-fix.patch
smaps-add-clear_refs-file-to-clear-reference-fix-fix-2.patch
smaps-add-clear_refs-file-to-clear-reference-cleanup.patch
smaps-use-ptep_test_and_clear_young.patch
smaps-add-clear_refs-file-to-clear-reference-docs.patch
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