diff options
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/exec.c b/fs/exec.c index 8f0b41fd3a28..7f6f6a06fa0a 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -45,6 +45,7 @@ #include <linux/ptrace.h> #include <linux/mount.h> #include <linux/security.h> +#include <linux/rmap-locking.h> #include <asm/uaccess.h> #include <asm/pgalloc.h> @@ -292,12 +293,13 @@ void put_dirty_page(struct task_struct * tsk, struct page *page, unsigned long a pgd_t * pgd; pmd_t * pmd; pte_t * pte; + struct pte_chain *pte_chain; if (page_count(page) != 1) printk(KERN_ERR "mem_map disagrees with %p at %08lx\n", page, address); pgd = pgd_offset(tsk->mm, address); - + pte_chain = pte_chain_alloc(GFP_KERNEL); spin_lock(&tsk->mm->page_table_lock); pmd = pmd_alloc(tsk->mm, pgd, address); if (!pmd) @@ -313,17 +315,19 @@ void put_dirty_page(struct task_struct * tsk, struct page *page, unsigned long a flush_dcache_page(page); flush_page_to_ram(page); set_pte(pte, pte_mkdirty(pte_mkwrite(mk_pte(page, PAGE_COPY)))); - page_add_rmap(page, pte); + pte_chain = page_add_rmap(page, pte, pte_chain); pte_unmap(pte); tsk->mm->rss++; spin_unlock(&tsk->mm->page_table_lock); /* no need for flush_tlb */ + pte_chain_free(pte_chain); return; out: spin_unlock(&tsk->mm->page_table_lock); __free_page(page); force_sig(SIGKILL, tsk); + pte_chain_free(pte_chain); return; } |