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Commit 5386cc90 authored by Isaac J. Manjarres's avatar Isaac J. Manjarres
Browse files

arm64: mm: Fix compilation when CONFIG_MEMORY_HOTPLUG is not enabled 



remove_pagetable() should only be called when CONFIG_MEMORY_HOTPLUG
is enabled to clean up the page table entries created when memory
was hot-added.

Change-Id: I38cf42673a7637dac62d13a3083b0963c8a435b3
Signed-off-by: default avatarIsaac J. Manjarres <isaacm@codeaurora.org>
parent 7bfb7b47

arch/arm64/mm/mmu.c

+7 −0
Original line number Diff line number Diff line
@@ -685,6 +685,7 @@ void __init paging_init(void) 
	memblock_allow_resize();

}



#ifdef CONFIG_MEMORY_HOTPLUG

#define PAGE_INUSE 0xFD



static void  free_pagetable(struct page *page, int order, bool direct)
@@ -1059,6 +1060,12 @@ static void remove_pagetable(unsigned long start, unsigned long end, 
	flush_tlb_all();

}



#else

static void remove_pagetable(unsigned long start, unsigned long end,

			     bool direct)

{

}

#endif /* CONFIG_MEMORY_HOTPLUG */



/*

 * Check whether a kernel address is valid (derived from arch/x86/).