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LoongArch: Remove a bogus reference to ZONE_DMA

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commit c37325cbd91abe3bfab280b3b09947155abe8e07 upstream.

Remove dead code. LoongArch does not have a DMA memory zone (24bit DMA).
The architecture does not even define MAX_DMA_PFN.

Cc: stable@vger.kernel.org
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Petr Tesarik <ptesarik@suse.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Petr Tesarik
2025-04-24 20:15:41 +08:00
committed by Greg Kroah-Hartman
parent 2ca9380b12
commit 20a3f73dd4
1 changed files with 0 additions and 3 deletions
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3
arch/loongarch/mm/init.c
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@@ -64,9 +64,6 @@ void __init paging_init(void)
{
unsigned long max_zone_pfns[MAX_NR_ZONES];
#ifdef CONFIG_ZONE_DMA
max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
#endif
#ifdef CONFIG_ZONE_DMA32
max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
#endif