Commit c47e1a1c authored by Guo Ren's avatar Guo Ren
Browse files

csky: Fixup pfn_valid error with wrong max_mapnr 



The max_mapnr is the number of PFNs, not absolute PFN offset.
Using set_max_mapnr API instead of setting the value directly.

Signed-off-by: default avatarGuo Ren <guoren@linux.alibaba.com>
parent 0d3b051a

arch/csky/mm/init.c

+2 −2
Original line number Diff line number Diff line
@@ -86,9 +86,9 @@ void __init mem_init(void) 
#ifdef CONFIG_HIGHMEM

	unsigned long tmp;



	max_mapnr = highend_pfn;

	set_max_mapnr(highend_pfn - ARCH_PFN_OFFSET);

#else

	max_mapnr = max_low_pfn;

	set_max_mapnr(max_low_pfn - ARCH_PFN_OFFSET);

#endif

	high_memory = (void *) __va(max_low_pfn << PAGE_SHIFT);