Update for kernel 5.7: use vmalloc_sync_mappings on kernels >= 5.7

[lttng-modules.git] / lib / ringbuffer / ring_buffer_backend.c

diff --git a/lib/ringbuffer/ring_buffer_backend.c b/lib/ringbuffer/ring_buffer_backend.c
index 468b0e9b86715809dbb7876c64a246a00f401cf0..2a47948e3efa6597d12018364e58c0c7e739d9d9 100644 (file)
--- a/lib/ringbuffer/ring_buffer_backend.c
+++ b/lib/ringbuffer/ring_buffer_backend.c
@@ -17,7 +17,7 @@
 #include <linux/vmalloc.h>
 
 #include <wrapper/mm.h>
-#include <wrapper/vmalloc.h>   /* for wrapper_vmalloc_sync_all() */
+#include <wrapper/vmalloc.h>   /* for wrapper_vmalloc_sync_mappings() */
 #include <wrapper/ringbuffer/config.h>
 #include <wrapper/ringbuffer/backend.h>
 #include <wrapper/ringbuffer/frontend.h>
@@ -156,7 +156,7 @@ int lib_ring_buffer_backend_allocate(const struct lib_ring_buffer_config *config
         * If kmalloc ever uses vmalloc underneath, make sure the buffer pages
         * will not fault.
         */
-       wrapper_vmalloc_sync_all();
+       wrapper_vmalloc_sync_mappings();
        wrapper_clear_current_oom_origin();
        vfree(pages);
        return 0;