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Subject[PATCH 2/2] mm/bootmem.c: replace kzalloc() by kzalloc_node()
Date
From: zijun_hu <zijun_hu@htc.com>

in ___alloc_bootmem_node_nopanic(), replace kzalloc() by
kzalloc_node() in order to allocate memory within given node
preferentially when slab is available

Signed-off-by: zijun_hu <zijun_hu@htc.com>
---
mm/bootmem.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/mm/bootmem.c b/mm/bootmem.c
index 0aa7dda52402..a869f84f44d3 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -11,15 +11,12 @@
#include <linux/init.h>
#include <linux/pfn.h>
#include <linux/slab.h>
-#include <linux/bootmem.h>
#include <linux/export.h>
#include <linux/kmemleak.h>
#include <linux/range.h>
-#include <linux/memblock.h>
#include <linux/bug.h>
#include <linux/io.h>
-
-#include <asm/processor.h>
+#include <linux/bootmem.h>

#include "internal.h"

@@ -712,7 +709,7 @@ void * __init ___alloc_bootmem_node_nopanic(pg_data_t *pgdat,
void *ptr;

if (WARN_ON_ONCE(slab_is_available()))
- return kzalloc(size, GFP_NOWAIT);
+ return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
again:

/* do not panic in alloc_bootmem_bdata() */
@@ -738,9 +735,6 @@ again:
void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
unsigned long align, unsigned long goal)
{
- if (WARN_ON_ONCE(slab_is_available()))
- return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
-
return ___alloc_bootmem_node_nopanic(pgdat, size, align, goal, 0);
}

@@ -812,10 +806,6 @@ void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,

}

-#ifndef ARCH_LOW_ADDRESS_LIMIT
-#define ARCH_LOW_ADDRESS_LIMIT 0xffffffffUL
-#endif
-
/**
* __alloc_bootmem_low - allocate low boot memory
* @size: size of the request in bytes
--
1.9.1
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