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| author | Sidath Senanayake <sidaths@google.com> | 2020-10-27 11:38:49 +0000 |
|---|---|---|
| committer | Sidath Senanayake <sidaths@google.com> | 2020-10-27 11:38:49 +0000 |
| commit | 72f2457ff7355ff0389efe5bc9cec3365362d8c4 (patch) | |
| tree | 8f5fb993bd2a8eb181c880b180b6401b46f76620 /mali_kbase/mali_kbase_mem_linux.h | |
| parent | d4ca6eb7268ee2db9deabd1745b505c6e1c162f9 (diff) | |
| download | gpu-72f2457ff7355ff0389efe5bc9cec3365362d8c4.tar.gz | |
Mali Valhall DDK r27p0 KMD
Provenance:
7e6f74ec1 (collaborate/EAC/v_r27p0)
VX504X08X-BU-00000-r27p0-01eac0 - Android DDK
VX504X08X-SW-99006-r27p0-01eac0 - Android Renderscript AOSP parts
VX504X08X-BU-60000-r27p0-01eac0 - Android Document Bundle
VX504X08X-DC-11001-r27p0-01eac0 - Valhall Android DDK Software Errata
Signed-off-by: Sidath Senanayake <sidaths@google.com>
Change-Id: Ib59de731b034cc7e2631e35f1b0063b8f6894ecc
Diffstat (limited to 'mali_kbase/mali_kbase_mem_linux.h')
| -rw-r--r-- | mali_kbase/mali_kbase_mem_linux.h | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/mali_kbase/mali_kbase_mem_linux.h b/mali_kbase/mali_kbase_mem_linux.h index cd094b3..85e030a 100644 --- a/mali_kbase/mali_kbase_mem_linux.h +++ b/mali_kbase/mali_kbase_mem_linux.h @@ -194,8 +194,8 @@ int kbase_mem_grow_gpu_mapping(struct kbase_context *kctx, * Take the provided region and make all the physical pages within it * reclaimable by the kernel, updating the per-process VM stats as well. * Remove any CPU mappings (as these can't be removed in the shrinker callback - * as mmap_sem might already be taken) but leave the GPU mapping intact as - * and until the shrinker reclaims the allocation. + * as mmap_sem/mmap_lock might already be taken) but leave the GPU mapping + * intact as and until the shrinker reclaims the allocation. * * Note: Must be called with the region lock of the containing context. */ @@ -461,4 +461,18 @@ static inline vm_fault_t vmf_insert_pfn_prot(struct vm_area_struct *vma, } #endif +/** + * kbase_mem_get_process_mmap_lock - Return the mmap lock for the current process + * + * Return: the mmap lock for the current process + */ +static inline struct rw_semaphore *kbase_mem_get_process_mmap_lock(void) +{ +#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) + return ¤t->mm->mmap_sem; +#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0) */ + return ¤t->mm->mmap_lock; +#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(5, 8, 0) */ +} + #endif /* _KBASE_MEM_LINUX_H_ */ |