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Blackfin arch: change L1 malloc to base on slab cache and lists.

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Remove the sram piece limitation and improve the performance to
alloc/free sram piece data.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Sonic Zhang
2008-07-19 14:51:31 +08:00
committed by Bryan Wu
parent 1a8caeebe3
commit 5d481f4975
3 changed files with 253 additions and 168 deletions
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12
arch/blackfin/mm/init.c
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@@ -164,11 +164,14 @@ void __init mem_init(void)
"(%uk init code, %uk kernel code, %uk data, %uk dma, %uk reserved)\n",
(unsigned long) freepages << (PAGE_SHIFT-10), _ramend >> 10,
initk, codek, datak, DMA_UNCACHED_REGION >> 10, (reservedpages << (PAGE_SHIFT-10)));
}
static int __init sram_init(void)
{
unsigned long tmp;
/* Initialize the blackfin L1 Memory. */
l1sram_init();
l1_data_sram_init();
l1_inst_sram_init();
bfin_sram_init();
/* Allocate this once; never free it. We assume this gives us a
pointer to the start of L1 scratchpad memory; panic if it
@@ -179,7 +182,10 @@ void __init mem_init(void)
tmp, (unsigned long)L1_SCRATCH_TASK_INFO);
panic("No L1, time to give up\n");
}
return 0;
}
pure_initcall(sram_init);
static void __init free_init_pages(const char *what, unsigned long begin, unsigned long end)
{