[PATCH 15/24] mm/lib/cpumask: Use memblock apis for early memory allocations

Santosh Shilimkar santosh.shilimkar at ti.com
Fri Nov 8 18:41:51 EST 2013


Switch to memblock interfaces for early memory allocator instead of
bootmem allocator. No functional change in beahvior than what it is
in current code from bootmem users points of view.

Archs already converted to NO_BOOTMEM now directly use memblock
interfaces instead of bootmem wrappers build on top of memblock. And the
archs which still uses bootmem, these new apis just fallback to exiting
bootmem APIs.

Cc: Yinghai Lu <yinghai at kernel.org>
Cc: Tejun Heo <tj at kernel.org>
Cc: Andrew Morton <akpm at linux-foundation.org>

Signed-off-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
---
 lib/cpumask.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/cpumask.c b/lib/cpumask.c
index d327b87..44e492e 100644
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -140,7 +140,7 @@ EXPORT_SYMBOL(zalloc_cpumask_var);
  */
 void __init alloc_bootmem_cpumask_var(cpumask_var_t *mask)
 {
-	*mask = alloc_bootmem(cpumask_size());
+	*mask = memblock_virt_alloc(cpumask_size());
 }
 
 /**
@@ -161,6 +161,6 @@ EXPORT_SYMBOL(free_cpumask_var);
  */
 void __init free_bootmem_cpumask_var(cpumask_var_t mask)
 {
-	free_bootmem(__pa(mask), cpumask_size());
+	memblock_free_early(__pa(mask), cpumask_size());
 }
 #endif
-- 
1.7.9.5




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