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| author | Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com> | 2008-02-27 13:44:59 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-03-01 20:23:57 +0000 |
| commit | 0c82d83cb09a1c9fd4d24d32064ce827709c104b (patch) | |
| tree | 5aef9cca82718041a9f9b54cf5286925633c09d6 /arch/arm/mm/pgd.c | |
| parent | d862ccc570c875e1454fc57ed00f5a1081985b26 (diff) | |
| download | lwn-0c82d83cb09a1c9fd4d24d32064ce827709c104b.tar.gz lwn-0c82d83cb09a1c9fd4d24d32064ce827709c104b.zip | |
[ARM] Fix freeing of page tables for ARM in free_pgd_slow
Since 2f569af (CONFIG_HIGHPTE vs. sub-page page tables.) pte_free() calls
pte_lock_deinit() and dec_zone_page_state(). So free_pgd_slow must not call
the latter two when calling the first.
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/pgd.c')
| -rw-r--r-- | arch/arm/mm/pgd.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c index 500c9610ab30..e0f19ab91163 100644 --- a/arch/arm/mm/pgd.c +++ b/arch/arm/mm/pgd.c @@ -75,7 +75,7 @@ no_pgd: void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd) { pmd_t *pmd; - struct page *pte; + pgtable_t pte; if (!pgd) return; @@ -90,10 +90,8 @@ void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd) goto free; } - pte = pmd_page(*pmd); + pte = pmd_pgtable(*pmd); pmd_clear(pmd); - dec_zone_page_state(virt_to_page((unsigned long *)pgd), NR_PAGETABLE); - pte_lock_deinit(pte); pte_free(mm, pte); pmd_free(mm, pmd); free: |