mm: Move definition of MIN_MEMORY_BLOCK_SIZE to a header

The macro MIN_MEMORY_BLOCK_SIZE is currently defined twice in two .c
files, and I need it in a third one to fix a powerpc bug, so let's
first move it into a header
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: default avatarIngo Molnar <mingo@elte.hu>
parent 620917de
......@@ -28,6 +28,7 @@
#include <linux/poison.h>
#include <linux/dma-mapping.h>
#include <linux/module.h>
#include <linux/memory.h>
#include <linux/memory_hotplug.h>
#include <linux/nmi.h>
#include <linux/gfp.h>
......@@ -895,8 +896,6 @@ const char *arch_vma_name(struct vm_area_struct *vma)
}
#ifdef CONFIG_X86_UV
#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS)
unsigned long memory_block_size_bytes(void)
{
if (is_uv_system()) {
......
......@@ -30,7 +30,6 @@
static DEFINE_MUTEX(mem_sysfs_mutex);
#define MEMORY_CLASS_NAME "memory"
#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS)
static int sections_per_block;
......
......@@ -20,6 +20,8 @@
#include <linux/compiler.h>
#include <linux/mutex.h>
#define MIN_MEMORY_BLOCK_SIZE (1 << SECTION_SIZE_BITS)
struct memory_block {
unsigned long start_section_nr;
unsigned long end_section_nr;
......
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