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init: defer free large memblock to Buddy allocator when CONFIG_ROCKCHIP_THUNDER_BOOT=y && CONFIG_SMP=y

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It's not benefit on UP system.

Fixes: b6cd53a3a2 ("init: defer free large memblock to Buddy allocator when CONFIG_ROCKCHIP_THUNDER_BOOT=y")
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Change-Id: I237208a21dc011695df998d546e4d28141ff41e6
This commit is contained in:
Tao Huang
2022-04-21 18:10:26 +08:00
parent c4fc841b36
commit 8b1cb4e1c4
2 changed files with 4 additions and 4 deletions
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2
init/main.c
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@@ -1719,7 +1719,7 @@ static noinline void __init kernel_init_freeable(void)
smp_init();
sched_init_smp();
#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
#if defined(CONFIG_ROCKCHIP_THUNDER_BOOT) && defined(CONFIG_SMP)
kthread_run(defer_free_memblock, NULL, "defer_mem");
#endif

6
mm/memblock.c
View File

@@ -97,7 +97,7 @@ struct pglist_data __refdata contig_page_data;
EXPORT_SYMBOL(contig_page_data);
#endif
#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
#if defined(CONFIG_ROCKCHIP_THUNDER_BOOT) && defined(CONFIG_SMP)
static unsigned long defer_start __initdata;
static unsigned long defer_end __initdata;
@@ -1933,7 +1933,7 @@ static void __init __free_pages_memory(unsigned long start, unsigned long end)
}
}
#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
#if defined(CONFIG_ROCKCHIP_THUNDER_BOOT) && defined(CONFIG_SMP)
int __init defer_free_memblock(void *unused)
{
if (defer_start == 0)
@@ -1965,7 +1965,7 @@ static unsigned long __init __free_memory_core(phys_addr_t start,
if (start_pfn >= end_pfn)
return 0;
#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
#if defined(CONFIG_ROCKCHIP_THUNDER_BOOT) && defined(CONFIG_SMP)
if ((end - start) > defer_free_block_size) {
defer_start = start_pfn;
defer_end = end_pfn;