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Switch KM_SLEEP to KM_PUSHPAGE

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In this particular instance the allocation occurred in the context
of sys_msync()->...->zpl_putpage() where we must be careful not to
initiate additional I/O.

Signed-off-by: Massimo Maggi <massimo@mmmm.it>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Massimo Maggi 2012-10-11 16:19:48 -07:00 committed by Brian Behlendorf
parent bbdc6ae495
commit dea3505dff
1 changed files with 3 additions and 3 deletions
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6
module/spl/spl-tsd.c
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@ -174,7 +174,7 @@ tsd_hash_add(tsd_hash_table_t *table, uint_t key, pid_t pid, void *value)
ASSERT3P(tsd_hash_search(table, key, pid), ==, NULL);
/* New entry allocate structure, set value, and add to hash */
entry = kmem_alloc(sizeof(tsd_hash_entry_t), KM_SLEEP);
entry = kmem_alloc(sizeof(tsd_hash_entry_t), KM_PUSHPAGE);
if (entry == NULL)
SRETURN(ENOMEM);
@ -234,7 +234,7 @@ tsd_hash_add_key(tsd_hash_table_t *table, uint_t *keyp, dtor_func_t dtor)
ASSERT3P(table, !=, NULL);
/* Allocate entry to be used as a destructor for this key */
entry = kmem_alloc(sizeof(tsd_hash_entry_t), KM_SLEEP);
entry = kmem_alloc(sizeof(tsd_hash_entry_t), KM_PUSHPAGE);
if (entry == NULL)
SRETURN(ENOMEM);
@ -293,7 +293,7 @@ tsd_hash_add_pid(tsd_hash_table_t *table, pid_t pid)
SENTRY;
/* Allocate entry to be used as the process reference */
entry = kmem_alloc(sizeof(tsd_hash_entry_t), KM_SLEEP);
entry = kmem_alloc(sizeof(tsd_hash_entry_t), KM_PUSHPAGE);
if (entry == NULL)
SRETURN(ENOMEM);