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authorThomas Gleixner <tglx@linutronix.de>2015-01-12 10:51:13 +0100
committerThomas Gleixner <tglx@linutronix.de>2015-01-12 10:51:13 +0100
commit2f5eaf66e580f64032b365a00157b6b58c266b37 (patch)
tree7852017c864f0eb3833782e2a017952bd8531458 /mm/mempolicy.c
parentc291ee622165cb2c8d4e7af63fffd499354a23be (diff)
parent91d1179212161f220938198b742c328ad38fd0a3 (diff)
Merge tag 'irqchip-urgent-3.19' of git://git.infradead.org/users/jcooper/linux into irq/urgent
irqchip urgent fixes for v3.19 from Jason Cooper - mtk-sysirq: Fix error handling - hip04: Fix cpu map for 16bit value - gic-v3-its: Clear a warning regarding decimal constants - omap-intc: Fix legacy DMA regression - atmel-aic-common: Retain priority when changing type
Diffstat (limited to 'mm/mempolicy.c')
-rw-r--r--mm/mempolicy.c15
1 files changed, 2 insertions, 13 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index e58725aff7e..0e0961b8c39 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -162,12 +162,6 @@ static const struct mempolicy_operations {
enum mpol_rebind_step step);
} mpol_ops[MPOL_MAX];
-/* Check that the nodemask contains at least one populated zone */
-static int is_valid_nodemask(const nodemask_t *nodemask)
-{
- return nodes_intersects(*nodemask, node_states[N_MEMORY]);
-}
-
static inline int mpol_store_user_nodemask(const struct mempolicy *pol)
{
return pol->flags & MPOL_MODE_FLAGS;
@@ -202,7 +196,7 @@ static int mpol_new_preferred(struct mempolicy *pol, const nodemask_t *nodes)
static int mpol_new_bind(struct mempolicy *pol, const nodemask_t *nodes)
{
- if (!is_valid_nodemask(nodes))
+ if (nodes_empty(*nodes))
return -EINVAL;
pol->v.nodes = *nodes;
return 0;
@@ -234,7 +228,7 @@ static int mpol_set_nodemask(struct mempolicy *pol,
nodes = NULL; /* explicit local allocation */
else {
if (pol->flags & MPOL_F_RELATIVE_NODES)
- mpol_relative_nodemask(&nsc->mask2, nodes,&nsc->mask1);
+ mpol_relative_nodemask(&nsc->mask2, nodes, &nsc->mask1);
else
nodes_and(nsc->mask2, *nodes, nsc->mask1);
@@ -1047,10 +1041,6 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
down_read(&mm->mmap_sem);
- err = migrate_vmas(mm, from, to, flags);
- if (err)
- goto out;
-
/*
* Find a 'source' bit set in 'tmp' whose corresponding 'dest'
* bit in 'to' is not also set in 'tmp'. Clear the found 'source'
@@ -1130,7 +1120,6 @@ int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from,
if (err < 0)
break;
}
-out:
up_read(&mm->mmap_sem);
if (err < 0)
return err;