diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory-failure.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 9c26eeca134..757f6b0accf 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -183,7 +183,7 @@ EXPORT_SYMBOL_GPL(hwpoison_filter); * signal. */ static int kill_proc_ao(struct task_struct *t, unsigned long addr, int trapno, - unsigned long pfn) + unsigned long pfn, struct page *page) { struct siginfo si; int ret; @@ -198,7 +198,7 @@ static int kill_proc_ao(struct task_struct *t, unsigned long addr, int trapno, #ifdef __ARCH_SI_TRAPNO si.si_trapno = trapno; #endif - si.si_addr_lsb = PAGE_SHIFT; + si.si_addr_lsb = compound_order(compound_head(page)) + PAGE_SHIFT; /* * Don't use force here, it's convenient if the signal * can be temporarily blocked. @@ -235,7 +235,7 @@ void shake_page(struct page *p, int access) int nr; do { nr = shrink_slab(1000, GFP_KERNEL, 1000); - if (page_count(p) == 0) + if (page_count(p) == 1) break; } while (nr > 10); } @@ -327,7 +327,7 @@ static void add_to_kill(struct task_struct *tsk, struct page *p, * wrong earlier. */ static void kill_procs_ao(struct list_head *to_kill, int doit, int trapno, - int fail, unsigned long pfn) + int fail, struct page *page, unsigned long pfn) { struct to_kill *tk, *next; @@ -352,7 +352,7 @@ static void kill_procs_ao(struct list_head *to_kill, int doit, int trapno, * process anyways. */ else if (kill_proc_ao(tk->tsk, tk->addr, trapno, - pfn) < 0) + pfn, page) < 0) printk(KERN_ERR "MCE %#lx: Cannot send advisory machine check signal to %s:%d\n", pfn, tk->tsk->comm, tk->tsk->pid); @@ -928,7 +928,7 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, * any accesses to the poisoned memory. */ kill_procs_ao(&tokill, !!PageDirty(hpage), trapno, - ret != SWAP_SUCCESS, pfn); + ret != SWAP_SUCCESS, p, pfn); return ret; } |