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authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-01 09:50:01 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-01 09:50:01 -0700
commit1694f0bb8f04837f5232f35051f40eefc4ad5402 (patch)
treec4c67df4ba0bbacc514530c3385a4a9a8f2701db /arch/x86/mm
parentf27a15d24670d143f2271a199202d72b6c4fe107 (diff)
parentba6a328f7dfc95b20df5e0eb33c698187e997190 (diff)
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm change from Ingo Molnar: "A micro-optimization for acpi_numa_slit_init()" * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm: Avoid duplicated pxm_to_node() calls
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/srat.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/x86/mm/srat.c b/arch/x86/mm/srat.c
index 1953e9c9391a..66338a60aa6e 100644
--- a/arch/x86/mm/srat.c
+++ b/arch/x86/mm/srat.c
@@ -52,12 +52,18 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
int i, j;
for (i = 0; i < slit->locality_count; i++) {
- if (pxm_to_node(i) == NUMA_NO_NODE)
+ const int from_node = pxm_to_node(i);
+
+ if (from_node == NUMA_NO_NODE)
continue;
+
for (j = 0; j < slit->locality_count; j++) {
- if (pxm_to_node(j) == NUMA_NO_NODE)
+ const int to_node = pxm_to_node(j);
+
+ if (to_node == NUMA_NO_NODE)
continue;
- numa_set_distance(pxm_to_node(i), pxm_to_node(j),
+
+ numa_set_distance(from_node, to_node,
slit->entry[slit->locality_count * i + j]);
}
}