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

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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: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Shahab Vahedi <Shahab.Vahedi@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Rapoport 2021-11-05 13:43:10 -07:00 committed by Linus Torvalds
parent 5787ea5bed
commit c486514dd4
1 changed files with 1 additions and 1 deletions
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2
arch/x86/xen/p2m.c
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@ -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;
}