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authorH. Peter Anvin <hpa@linux.intel.com>2010-10-11 17:05:11 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2010-10-11 17:05:11 -0700
commit8e4029ee3517084ae00fbfbcb51cc365d8857061 (patch)
tree3d86578dc6160781a0c2fdad461e5195e73bfafc /mm
parentcd79481d27b9f90aad80c9b972292c42c25bbf8e (diff)
parent73cf624d029d776a33d0a80c695485b3f9b36231 (diff)
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Merge branch 'x86/urgent' into core/memblock
Reason for merge: Forward-port urgent change to arch/x86/mm/srat_64.c to the memblock tree. Resolved Conflicts: arch/x86/mm/srat_64.c Originally-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'mm')
-rw-r--r--mm/memcontrol.c10
-rw-r--r--mm/memory-failure.c12
-rw-r--r--mm/page_alloc.c4
3 files changed, 15 insertions, 11 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 3eed583895a6..9be3cf8a5da4 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3587,9 +3587,13 @@ unlock:
static void mem_cgroup_threshold(struct mem_cgroup *memcg)
{
- __mem_cgroup_threshold(memcg, false);
- if (do_swap_account)
- __mem_cgroup_threshold(memcg, true);
+ while (memcg) {
+ __mem_cgroup_threshold(memcg, false);
+ if (do_swap_account)
+ __mem_cgroup_threshold(memcg, true);
+
+ memcg = parent_mem_cgroup(memcg);
+ }
}
static int compare_thresholds(const void *a, const void *b)
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 9c26eeca1342..757f6b0accfe 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;
}
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 9536017108ec..2a362c52fdf4 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5198,9 +5198,9 @@ void *__init alloc_large_system_hash(const char *tablename,
if (!table)
panic("Failed to allocate %s hash table\n", tablename);
- printk(KERN_INFO "%s hash table entries: %d (order: %d, %lu bytes)\n",
+ printk(KERN_INFO "%s hash table entries: %ld (order: %d, %lu bytes)\n",
tablename,
- (1U << log2qty),
+ (1UL << log2qty),
ilog2(size) - PAGE_SHIFT,
size);