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Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux…
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…/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
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Linus Torvalds committed Apr 1, 2014
2 parents f27a15d + ba6a328 commit 1694f0b
Showing 1 changed file with 9 additions and 3 deletions.
12 changes: 9 additions & 3 deletions arch/x86/mm/srat.c
Original file line number Diff line number Diff line change
Expand Up @@ -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]);
}
}
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