Commit c486514d authored by Mike Rapoport's avatar Mike Rapoport Committed by Linus Torvalds
Browse files

xen/x86: free_p2m_page: use memblock_free_ptr() to free a virtual pointer 

free_p2m_page() wrongly passes a virtual pointer to memblock_free() that
treats it as a physical address.

Call memblock_free_ptr() instead that gets a virtual address to free the
memory.

Link: https://lkml.kernel.org/r/20210930185031.18648-3-rppt@kernel.org


Signed-off-by: default avatarMike Rapoport <rppt@linux.ibm.com>
Reviewed-by: default avatarJuergen Gross <jgross@suse.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Shahab Vahedi <Shahab.Vahedi@synopsys.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5787ea5b

arch/x86/xen/p2m.c

+1 −1
Original line number Diff line number Diff line
@@ -197,7 +197,7 @@ static void * __ref alloc_p2m_page(void) 
static void __ref free_p2m_page(void *p)

{

	if (unlikely(!slab_is_available())) {

		memblock_free((unsigned long)p, PAGE_SIZE);

		memblock_free_ptr(p, PAGE_SIZE);

		return;

	}