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| author | Jiang Liu <liuj97@gmail.com> | 2013-07-04 02:04:15 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-07-04 03:07:37 +0400 |
| commit | 3f29c33194d3b5fffdccc89665982a36b408b6f9 (patch) | |
| tree | 45106e3717e26af98c59cc17763067c3aa933276 /arch/tile/kernel/setup.c | |
| parent | dceccbe9209bded817f39c01a8a8bd1e69d6277a (diff) | |
| download | linux-3f29c33194d3b5fffdccc89665982a36b408b6f9.tar.xz | |
mm/tile: prepare for removing num_physpages and simplify mem_init()
Prepare for removing num_physpages and simplify mem_init().
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/tile/kernel/setup.c')
| -rw-r--r-- | arch/tile/kernel/setup.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c index 41818e3ce97e..68b542677f6a 100644 --- a/arch/tile/kernel/setup.c +++ b/arch/tile/kernel/setup.c @@ -329,6 +329,7 @@ static void __init setup_memory(void) #if defined(CONFIG_HIGHMEM) || defined(__tilegx__) long lowmem_pages; #endif + unsigned long physpages = 0; /* We are using a char to hold the cpu_2_node[] mapping */ BUILD_BUG_ON(MAX_NUMNODES > 127); @@ -388,8 +389,8 @@ static void __init setup_memory(void) continue; } } - if (num_physpages + PFN_DOWN(range.size) > maxmem_pfn) { - int max_size = maxmem_pfn - num_physpages; + if (physpages + PFN_DOWN(range.size) > maxmem_pfn) { + int max_size = maxmem_pfn - physpages; if (max_size > 0) { pr_err("Maxmem reduced node %d to %d pages\n", i, max_size); @@ -446,7 +447,7 @@ static void __init setup_memory(void) node_start_pfn[i] = start; node_end_pfn[i] = end; node_controller[i] = range.controller; - num_physpages += size; + physpages += size; max_pfn = end; /* Mark node as online */ @@ -465,7 +466,7 @@ static void __init setup_memory(void) * we're willing to use at 8 million pages (32GB of 4KB pages). */ cap = 8 * 1024 * 1024; /* 8 million pages */ - if (num_physpages > cap) { + if (physpages > cap) { int num_nodes = num_online_nodes(); int cap_each = cap / num_nodes; unsigned long dropped_pages = 0; @@ -476,10 +477,10 @@ static void __init setup_memory(void) node_end_pfn[i] = node_start_pfn[i] + cap_each; } } - num_physpages -= dropped_pages; + physpages -= dropped_pages; pr_warning("Only using %ldMB memory;" " ignoring %ldMB.\n", - num_physpages >> (20 - PAGE_SHIFT), + physpages >> (20 - PAGE_SHIFT), dropped_pages >> (20 - PAGE_SHIFT)); pr_warning("Consider using a larger page size.\n"); } @@ -497,7 +498,7 @@ static void __init setup_memory(void) lowmem_pages = (mappable_physpages > MAXMEM_PFN) ? MAXMEM_PFN : mappable_physpages; - highmem_pages = (long) (num_physpages - lowmem_pages); + highmem_pages = (long) (physpages - lowmem_pages); pr_notice("%ldMB HIGHMEM available.\n", pages_to_mb(highmem_pages > 0 ? highmem_pages : 0)); @@ -514,7 +515,6 @@ static void __init setup_memory(void) pr_warning("Use a HIGHMEM enabled kernel.\n"); max_low_pfn = MAXMEM_PFN; max_pfn = MAXMEM_PFN; - num_physpages = MAXMEM_PFN; node_end_pfn[0] = MAXMEM_PFN; } else { pr_notice("%ldMB memory available.\n", |