The patch titled
arm: fix freeing of page tables in free_pgd_slow
has been removed from the -mm tree. Its filename was
arm-fix-freeing-of-page-tables-in-free_pgd_slow.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: arm: fix freeing of page tables in free_pgd_slow
From: Uwe Kleine-König <Uwe.Kleine-Koenig@xxxxxxxx>
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@xxxxxxxx>
Cc: Russell King <rmk@xxxxxxxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/mm/pgd.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff -puN arch/arm/mm/pgd.c~arm-fix-freeing-of-page-tables-in-free_pgd_slow arch/arm/mm/pgd.c
--- a/arch/arm/mm/pgd.c~arm-fix-freeing-of-page-tables-in-free_pgd_slow
+++ a/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,
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:
_
Patches currently in -mm which might be from Uwe.Kleine-Koenig@xxxxxxxx are
origin.patch
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