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ARM: Remove DISCONTIGMEM support

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Everything should now be using sparsemem rather than discontigmem, so
remove the code supporting discontigmem from ARM.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2010-05-07 17:40:33 +01:00
parent 7961239599
commit be37030274
30 changed files with 137 additions and 426 deletions
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38
arch/arm/mm/mmu.c
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@ -827,9 +827,9 @@ static inline void prepare_page_table(void)
}
/*
* Reserve the various regions of node 0
* Reserve the various regions
*/
void __init reserve_node_zero(pg_data_t *pgdat)
void __init reserve_special_regions(void)
{
unsigned long res_size = 0;
@ -838,19 +838,17 @@ void __init reserve_node_zero(pg_data_t *pgdat)
* Note that this can only be in node 0.
*/
#ifdef CONFIG_XIP_KERNEL
reserve_bootmem_node(pgdat, __pa(_data), _end - _data,
BOOTMEM_DEFAULT);
reserve_bootmem(__pa(_data), _end - _data, BOOTMEM_DEFAULT);
#else
reserve_bootmem_node(pgdat, __pa(_stext), _end - _stext,
BOOTMEM_DEFAULT);
reserve_bootmem(__pa(_stext), _end - _stext, BOOTMEM_DEFAULT);
#endif
/*
* Reserve the page tables. These are already in use,
* and can only be in node 0.
*/
reserve_bootmem_node(pgdat, __pa(swapper_pg_dir),
PTRS_PER_PGD * sizeof(pgd_t), BOOTMEM_DEFAULT);
reserve_bootmem(__pa(swapper_pg_dir),
PTRS_PER_PGD * sizeof(pgd_t), BOOTMEM_DEFAULT);
/*
* Hmm... This should go elsewhere, but we really really need to
@ -874,29 +872,22 @@ void __init reserve_node_zero(pg_data_t *pgdat)
if (machine_is_h1940() || machine_is_rx3715()
|| machine_is_rx1950()) {
reserve_bootmem_node(pgdat, 0x30003000, 0x1000,
BOOTMEM_DEFAULT);
reserve_bootmem_node(pgdat, 0x30081000, 0x1000,
BOOTMEM_DEFAULT);
reserve_bootmem(0x30003000, 0x1000, BOOTMEM_DEFAULT);
reserve_bootmem(0x30081000, 0x1000, BOOTMEM_DEFAULT);
}
if (machine_is_palmld() || machine_is_palmtx()) {
reserve_bootmem_node(pgdat, 0xa0000000, 0x1000,
BOOTMEM_EXCLUSIVE);
reserve_bootmem_node(pgdat, 0xa0200000, 0x1000,
BOOTMEM_EXCLUSIVE);
reserve_bootmem(0xa0000000, 0x1000, BOOTMEM_EXCLUSIVE);
reserve_bootmem(0xa0200000, 0x1000, BOOTMEM_EXCLUSIVE);
}
if (machine_is_treo680() || machine_is_centro()) {
reserve_bootmem_node(pgdat, 0xa0000000, 0x1000,
BOOTMEM_EXCLUSIVE);
reserve_bootmem_node(pgdat, 0xa2000000, 0x1000,
BOOTMEM_EXCLUSIVE);
reserve_bootmem(0xa0000000, 0x1000, BOOTMEM_EXCLUSIVE);
reserve_bootmem(0xa2000000, 0x1000, BOOTMEM_EXCLUSIVE);
}
if (machine_is_palmt5())
reserve_bootmem_node(pgdat, 0xa0200000, 0x1000,
BOOTMEM_EXCLUSIVE);
reserve_bootmem(0xa0200000, 0x1000, BOOTMEM_EXCLUSIVE);
/*
* U300 - This platform family can share physical memory
@ -920,8 +911,7 @@ void __init reserve_node_zero(pg_data_t *pgdat)
res_size = __pa(swapper_pg_dir) - PHYS_OFFSET;
#endif
if (res_size)
reserve_bootmem_node(pgdat, PHYS_OFFSET, res_size,
BOOTMEM_DEFAULT);
reserve_bootmem(PHYS_OFFSET, res_size, BOOTMEM_DEFAULT);
}
/*