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authorHerbert Xu <herbert@gondor.apana.org.au>2009-12-01 15:16:22 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2009-12-01 15:16:22 +0800
commit838632438145ac6863377eb12d8b8eef9c55d288 (patch)
treefbb0757df837f3c75a99c518a3596c38daef162d /arch/arm/mm/init.c
parent9996508b3353063f2d6c48c1a28a84543d72d70b (diff)
parent29e553631b2a0d4eebd23db630572e1027a9967a (diff)
downloadop-kernel-dev-838632438145ac6863377eb12d8b8eef9c55d288.zip
op-kernel-dev-838632438145ac6863377eb12d8b8eef9c55d288.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/arm/mm/init.c')
-rw-r--r--arch/arm/mm/init.c34
1 files changed, 30 insertions, 4 deletions
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index ea36186..52c40d1 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -273,7 +273,6 @@ static void __init bootmem_init_node(int node, struct meminfo *mi,
struct membank *bank = &mi->bank[i];
if (!bank->highmem)
free_bootmem_node(pgdat, bank_phys_start(bank), bank_phys_size(bank));
- memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank));
}
/*
@@ -370,6 +369,19 @@ int pfn_valid(unsigned long pfn)
return 0;
}
EXPORT_SYMBOL(pfn_valid);
+
+static void arm_memory_present(struct meminfo *mi, int node)
+{
+}
+#else
+static void arm_memory_present(struct meminfo *mi, int node)
+{
+ int i;
+ for_each_nodebank(i, mi, node) {
+ struct membank *bank = &mi->bank[i];
+ memory_present(node, bank_pfn_start(bank), bank_pfn_end(bank));
+ }
+}
#endif
static int __init meminfo_cmp(const void *_a, const void *_b)
@@ -427,6 +439,12 @@ void __init bootmem_init(void)
*/
if (node == initrd_node)
bootmem_reserve_initrd(node);
+
+ /*
+ * Sparsemem tries to allocate bootmem in memory_present(),
+ * so must be done after the fixed reservations
+ */
+ arm_memory_present(mi, node);
}
/*
@@ -483,7 +501,7 @@ free_memmap(int node, unsigned long start_pfn, unsigned long end_pfn)
/*
* Convert start_pfn/end_pfn to a struct page pointer.
*/
- start_pg = pfn_to_page(start_pfn);
+ start_pg = pfn_to_page(start_pfn - 1) + 1;
end_pg = pfn_to_page(end_pfn);
/*
@@ -596,8 +614,8 @@ void __init mem_init(void)
printk(KERN_NOTICE "Memory: %luKB available (%dK code, "
"%dK data, %dK init, %luK highmem)\n",
- (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
- codesize >> 10, datasize >> 10, initsize >> 10,
+ nr_free_pages() << (PAGE_SHIFT-10), codesize >> 10,
+ datasize >> 10, initsize >> 10,
(unsigned long) (totalhigh_pages << (PAGE_SHIFT-10)));
if (PAGE_SIZE >= 16384 && num_physpages <= 128) {
@@ -613,6 +631,14 @@ void __init mem_init(void)
void free_initmem(void)
{
+#ifdef CONFIG_HAVE_TCM
+ extern char *__tcm_start, *__tcm_end;
+
+ totalram_pages += free_area(__phys_to_pfn(__pa(__tcm_start)),
+ __phys_to_pfn(__pa(__tcm_end)),
+ "TCM link");
+#endif
+
if (!machine_is_integrator() && !machine_is_cintegrator())
totalram_pages += free_area(__phys_to_pfn(__pa(__init_begin)),
__phys_to_pfn(__pa(__init_end)),
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