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authorVineet Gupta <vgupta@synopsys.com>2015-02-13 13:59:53 +0530
committerVineet Gupta <vgupta@synopsys.com>2015-04-13 15:16:29 +0530
commitf2e2013f757204d4e0a009597722c75bb2332796 (patch)
treeef4ce8bbbf9ff193f3e43521038655df21a99bf2 /arch/arc/mm
parenta44ec8bd2a55c7644d458d8e79d83bd9204e1796 (diff)
ARC: mem init spring cleaning - No functional changes
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/mm')
-rw-r--r--arch/arc/mm/init.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arc/mm/init.c b/arch/arc/mm/init.c
index 523412369f70..d44eedd8c322 100644
--- a/arch/arc/mm/init.c
+++ b/arch/arc/mm/init.c
@@ -71,7 +71,7 @@ early_param("initrd", early_initrd);
*/
void __init setup_arch_memory(void)
{
- unsigned long zones_size[MAX_NR_ZONES] = { 0, 0 };
+ unsigned long zones_size[MAX_NR_ZONES];
unsigned long end_mem = CONFIG_LINUX_LINK_BASE + arc_mem_sz;
init_mm.start_code = (unsigned long)_text;
@@ -90,7 +90,7 @@ void __init setup_arch_memory(void)
/*------------- externs in mm need setting up ---------------*/
/* first page of system - kernel .vector starts here */
- min_low_pfn = PFN_DOWN(CONFIG_LINUX_LINK_BASE);
+ min_low_pfn = ARCH_PFN_OFFSET;
/* Last usable page of low mem (no HIGHMEM yet for ARC port) */
max_low_pfn = max_pfn = PFN_DOWN(end_mem);
@@ -111,7 +111,7 @@ void __init setup_arch_memory(void)
/*-------------- node setup --------------------------------*/
memset(zones_size, 0, sizeof(zones_size));
- zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
+ zones_size[ZONE_NORMAL] = max_mapnr;
/*
* We can't use the helper free_area_init(zones[]) because it uses
@@ -123,6 +123,8 @@ void __init setup_arch_memory(void)
zones_size, /* num pages per zone */
min_low_pfn, /* first pfn of node */
NULL); /* NO holes */
+
+ high_memory = (void *)end_mem;
}
/*
@@ -133,7 +135,6 @@ void __init setup_arch_memory(void)
*/
void __init mem_init(void)
{
- high_memory = (void *)(CONFIG_LINUX_LINK_BASE + arc_mem_sz);
free_all_bootmem();
mem_init_print_info(NULL);
}