Changeset ab6f2507 in mainline for kernel/generic/src/mm/slab.c


Ignore:
Timestamp:
2011-01-13T17:52:46Z (14 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
a613fea1
Parents:
014dd57b
Message:

Make sure that slab_reclaim() executes with interrupts disabled.
There is actually no need to explicitly disable interrupts for
slab_reclaim() in the calling function when it can do it itself.

File:
1 edited

Legend:

Unmodified
Added
Removed
  • kernel/generic/src/mm/slab.c

    r014dd57b rab6f2507  
    806806}
    807807
    808 /** Go through all caches and reclaim what is possible
    809  *
    810  * Interrupts must be disabled before calling this function,
    811  * otherwise  memory allocation from interrupts can deadlock.
    812  *
    813  */
     808/** Go through all caches and reclaim what is possible */
    814809size_t slab_reclaim(unsigned int flags)
    815810{
    816         irq_spinlock_lock(&slab_cache_lock, false);
     811        irq_spinlock_lock(&slab_cache_lock, true);
    817812       
    818813        size_t frames = 0;
     
    824819        }
    825820       
    826         irq_spinlock_unlock(&slab_cache_lock, false);
     821        irq_spinlock_unlock(&slab_cache_lock, true);
    827822       
    828823        return frames;
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