4f603f5a1c63b3931c3dfeae07affc8de3a8c8a0
1 /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
5 * Copyright (C) 2018 Francis Deslauriers <francis.deslauriers@efficios.com>
8 #ifndef _LTTNG_WRAPPER_MM_H
9 #define _LTTNG_WRAPPER_MM_H
12 #include <linux/oom.h>
14 #include <lttng/kernel-version.h>
16 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,3,0) || \
17 LTTNG_RHEL_KERNEL_RANGE(5,14,0,452,0,0, 5,15,0,0,0,0))
19 void wrapper_vm_flags_set(struct vm_area_struct
*vma
,
22 vm_flags_set(vma
, flags
);
26 void wrapper_vm_flags_set(struct vm_area_struct
*vma
,
29 vma
->vm_flags
|= flags
;
33 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,6,0) \
34 || LTTNG_UBUNTU_KERNEL_RANGE(4,4,25,44, 4,5,0,0))
37 * Returns true if the current estimation of the number of page available is
38 * larger than the number of pages passed as parameter.
41 bool wrapper_check_enough_free_pages(unsigned long num_pages
)
43 return num_pages
< si_mem_available();
49 bool wrapper_check_enough_free_pages(unsigned long num_pages
)
52 * The si_mem_available function is not available on this kernel. Since
53 * we can't reliably know if there is enough memory available, so we
60 #endif /* _LTTNG_WRAPPER_MM_H */
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