Commit 507053d2 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'akpm' (patches from Andrew) 

Merge fixes from Andrew Morton:
 "4 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm/slub.c: fix random_seq offset destruction
  cpumask: use nr_cpumask_bits for parsing functions
  mm: avoid returning VM_FAULT_RETRY from ->page_mkwrite handlers
  kernel/ucount.c: mark user_header with kmemleak_ignore()
parents be11f436 a810007a

drivers/staging/lustre/lustre/llite/llite_mmap.c

+1 −3
Original line number Diff line number Diff line
@@ -390,15 +390,13 @@ static int ll_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) 
		result = VM_FAULT_LOCKED;

		break;

	case -ENODATA:

	case -EAGAIN:

	case -EFAULT:

		result = VM_FAULT_NOPAGE;

		break;

	case -ENOMEM:

		result = VM_FAULT_OOM;

		break;

	case -EAGAIN:

		result = VM_FAULT_RETRY;

		break;

	default:

		result = VM_FAULT_SIGBUS;

		break;

include/linux/buffer_head.h

+1 −3
Original line number Diff line number Diff line
@@ -243,12 +243,10 @@ static inline int block_page_mkwrite_return(int err) 
{

	if (err == 0)

		return VM_FAULT_LOCKED;

	if (err == -EFAULT)

	if (err == -EFAULT || err == -EAGAIN)

		return VM_FAULT_NOPAGE;

	if (err == -ENOMEM)

		return VM_FAULT_OOM;

	if (err == -EAGAIN)

		return VM_FAULT_RETRY;

	/* -ENOSPC, -EDQUOT, -EIO ... */

	return VM_FAULT_SIGBUS;

}

include/linux/cpumask.h

+4 −4
Original line number Diff line number Diff line
@@ -560,7 +560,7 @@ static inline void cpumask_copy(struct cpumask *dstp, 
static inline int cpumask_parse_user(const char __user *buf, int len,

				     struct cpumask *dstp)

{

	return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpu_ids);

	return bitmap_parse_user(buf, len, cpumask_bits(dstp), nr_cpumask_bits);

}



/**
@@ -575,7 +575,7 @@ static inline int cpumask_parselist_user(const char __user *buf, int len, 
				     struct cpumask *dstp)

{

	return bitmap_parselist_user(buf, len, cpumask_bits(dstp),

				     nr_cpu_ids);

				     nr_cpumask_bits);

}



/**
@@ -590,7 +590,7 @@ static inline int cpumask_parse(const char *buf, struct cpumask *dstp) 
	char *nl = strchr(buf, '\n');

	unsigned int len = nl ? (unsigned int)(nl - buf) : strlen(buf);



	return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpu_ids);

	return bitmap_parse(buf, len, cpumask_bits(dstp), nr_cpumask_bits);

}



/**
@@ -602,7 +602,7 @@ static inline int cpumask_parse(const char *buf, struct cpumask *dstp) 
 */

static inline int cpulist_parse(const char *buf, struct cpumask *dstp)

{

	return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpu_ids);

	return bitmap_parselist(buf, cpumask_bits(dstp), nr_cpumask_bits);

}



/**

kernel/ucount.c

+1 −2
Original line number Diff line number Diff line
@@ -227,11 +227,10 @@ static __init int user_namespace_sysctl_init(void) 
	 * properly.

	 */

	user_header = register_sysctl("user", empty);

	kmemleak_ignore(user_header);

	BUG_ON(!user_header);

	BUG_ON(!setup_userns_sysctls(&init_user_ns));

#endif

	return 0;

}

subsys_initcall(user_namespace_sysctl_init);

mm/slub.c

+4 −0
Original line number Diff line number Diff line
@@ -1422,6 +1422,10 @@ static int init_cache_random_seq(struct kmem_cache *s) 
	int err;

	unsigned long i, count = oo_objects(s->oo);



	/* Bailout if already initialised */

	if (s->random_seq)

		return 0;



	err = cache_random_seq_create(s, count, GFP_KERNEL);

	if (err) {

		pr_err("SLUB: Unable to initialize free list for %s\n",

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