Commit dee75cd8 authored by Mao Minkai's avatar Mao Minkai Committed by guzitao
Browse files

sw64: expand vmemmap 

Sunway inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/IBDJNZ



--------------------------------

Expand vmemmap to make sure it can cover the whole physical memory
range.

Signed-off-by: default avatarMao Minkai <maominkai@wxiat.com>
Reviewed-by: default avatarHe Sheng <hesheng@wxiat.com>
Signed-off-by: default avatarGu Zitao <guzitao@wxiat.com>
parent c8259b67

arch/sw_64/include/asm/pgtable.h

+1 −1
Original line number Diff line number Diff line
@@ -83,7 +83,7 @@ static inline void set_p4d(p4d_t *p4dp, p4d_t p4d) 
#define VMALLOC_END	(-PGDIR_SIZE)

#else

#define VMEMMAP_END	(-PGDIR_SIZE)

#define vmemmap		((struct page *)VMEMMAP_END - (1UL << (3 * (PAGE_SHIFT - 3))))

#define vmemmap		((struct page *)VMEMMAP_END - (1UL << (MAX_PHYSMEM_BITS - PAGE_SHIFT)))

#define VMALLOC_END	((unsigned long)vmemmap)

#endif