aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/Kconfig5
-rw-r--r--arch/mips/mm/highmem.c2
-rw-r--r--arch/mips/mm/init.c3
3 files changed, 0 insertions, 10 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 515c5a69804..fa2c44388fd 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -883,11 +883,6 @@ config GENERIC_ISA_DMA
config I8259
bool
-config LIMITED_DMA
- bool
- select HIGHMEM
- select SYS_SUPPORTS_HIGHMEM
-
config MIPS_BONITO64
bool
diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c
index 675502ada5a..10dd2af2343 100644
--- a/arch/mips/mm/highmem.c
+++ b/arch/mips/mm/highmem.c
@@ -80,7 +80,6 @@ void __kunmap_atomic(void *kvaddr, enum km_type type)
pagefault_enable();
}
-#ifndef CONFIG_LIMITED_DMA
/*
* This is the same as kmap_atomic() but can map memory that doesn't
* have a struct page associated with it.
@@ -99,7 +98,6 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type)
return (void*) vaddr;
}
-#endif /* CONFIG_LIMITED_DMA */
struct page *__kmap_atomic_to_page(void *ptr)
{
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index 2d1c2c02482..4c80528dead 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -424,9 +424,6 @@ void __init mem_init(void)
continue;
}
ClearPageReserved(page);
-#ifdef CONFIG_LIMITED_DMA
- set_page_address(page, lowmem_page_address(page));
-#endif
init_page_count(page);
__free_page(page);
totalhigh_pages++;