Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
45 lines
945 B
C
45 lines
945 B
C
// SPDX-License-Identifier: GPL-2.0
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#include "alloc_cache.h"
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void io_alloc_cache_free(struct io_alloc_cache *cache,
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void (*free)(const void *))
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{
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void *entry;
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if (!cache->entries)
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return;
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while ((entry = io_alloc_cache_get(cache)) != NULL)
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free(entry);
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kvfree(cache->entries);
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cache->entries = NULL;
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}
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/* returns false if the cache was initialized properly */
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bool io_alloc_cache_init(struct io_alloc_cache *cache,
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unsigned max_nr, unsigned int size,
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unsigned int init_bytes)
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{
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cache->entries = kvmalloc_array(max_nr, sizeof(void *), GFP_KERNEL);
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if (!cache->entries)
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return true;
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cache->nr_cached = 0;
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cache->max_cached = max_nr;
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cache->elem_size = size;
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cache->init_clear = init_bytes;
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return false;
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}
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void *io_cache_alloc_new(struct io_alloc_cache *cache, gfp_t gfp)
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{
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void *obj;
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obj = kmalloc(cache->elem_size, gfp);
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if (obj && cache->init_clear)
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memset(obj, 0, cache->init_clear);
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return obj;
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}
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