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>
55 lines
981 B
C
55 lines
981 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <stdio.h>
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#include <string.h>
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#include <urcu/uatomic.h>
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#include <linux/slab.h>
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#include <malloc.h>
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#include <linux/gfp.h>
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int kmalloc_nr_allocated;
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int kmalloc_verbose;
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void *kmalloc(size_t size, gfp_t gfp)
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{
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void *ret;
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if (!(gfp & __GFP_DIRECT_RECLAIM))
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return NULL;
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ret = malloc(size);
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uatomic_inc(&kmalloc_nr_allocated);
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if (kmalloc_verbose)
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printf("Allocating %p from malloc\n", ret);
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if (gfp & __GFP_ZERO)
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memset(ret, 0, size);
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return ret;
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}
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void kfree(void *p)
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{
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if (!p)
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return;
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uatomic_dec(&kmalloc_nr_allocated);
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if (kmalloc_verbose)
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printf("Freeing %p to malloc\n", p);
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free(p);
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}
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void *kmalloc_array(size_t n, size_t size, gfp_t gfp)
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{
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void *ret;
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if (!(gfp & __GFP_DIRECT_RECLAIM))
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return NULL;
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ret = calloc(n, size);
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uatomic_inc(&kmalloc_nr_allocated);
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if (kmalloc_verbose)
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printf("Allocating %p from calloc\n", ret);
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if (gfp & __GFP_ZERO)
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memset(ret, 0, n * size);
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return ret;
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}
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