TononixOS/ubports_kernel_google_msm
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[S390] Use add_active_range() and free_area_init_nodes().

Browse Source 
Size zones and holes in an architecture independent manner for s390.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2006-12-08 15:56:10 +01:00
committed by Martin Schwidefsky
parent f4eb07c17d
commit 39b742f957
3 changed files with 21 additions and 58 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
arch/s390/mm/init.c
View File

@@ -106,8 +106,8 @@ static void __init setup_ro_region(void)
}
}
extern unsigned long __initdata zholes_size[];
extern void vmem_map_init(void);
/*
* paging_init() sets up the page tables
*/
@@ -117,8 +117,7 @@ void __init paging_init(void)
int i;
unsigned long pgdir_k;
static const int ssm_mask = 0x04000000L;
unsigned long zones_size[MAX_NR_ZONES];
unsigned long dma_pfn, high_pfn;
unsigned long max_zone_pfns[MAX_NR_ZONES];
pg_dir = swapper_pg_dir;
@@ -142,20 +141,10 @@ void __init paging_init(void)
__ctl_load(pgdir_k, 13, 13);
__raw_local_irq_ssm(ssm_mask);
memset(zones_size, 0, sizeof(zones_size));
dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT;
high_pfn = max_low_pfn;
if (dma_pfn > high_pfn)
zones_size[ZONE_DMA] = high_pfn;
else {
zones_size[ZONE_DMA] = dma_pfn;
zones_size[ZONE_NORMAL] = high_pfn - dma_pfn;
}
/* Initialize mem_map[]. */
free_area_init_node(0, &contig_page_data, zones_size,
__pa(PAGE_OFFSET) >> PAGE_SHIFT, zholes_size);
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS);
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
free_area_init_nodes(max_zone_pfns);
}
void __init mem_init(void)