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[PATCH] uml: fix x86_64 page leak

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We were leaking pmd pages when 3_LEVEL_PGTABLES was enabled.  This fixes that.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike 2005-09-03 15:57:52 -07:00 • committed by Linus Torvalds
parent f9dfefe423
commit 7ef9390541
4 changed files with 22 additions and 12 deletions
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12
include/asm-um/pgalloc.h
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@ -42,11 +42,13 @@ static inline void pte_free(struct page *pte)
#define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
#ifdef CONFIG_3_LEVEL_PGTABLES
/*
* In the 3-level case we free the pmds as part of the pgd.
*/
#define pmd_free(x) do { } while (0)
#define __pmd_free_tlb(tlb,x) do { } while (0)
extern __inline__ void pmd_free(pmd_t *pmd)
{
free_page((unsigned long)pmd);
}
#define __pmd_free_tlb(tlb,x) tlb_remove_page((tlb),virt_to_page(x))
#endif
#define check_pgt_cache() do { } while (0)