From a082c54b3f46673e20897d58a7cc0f325490f7b1 Mon Sep 17 00:00:00 2001 From: root Date: Mon, 24 Jun 2019 12:43:49 +0000 Subject: [PATCH] docker changes --- common/lib/kernel/kernel.cpp | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/common/lib/kernel/kernel.cpp b/common/lib/kernel/kernel.cpp index bb5994027..222c4d2f5 100644 --- a/common/lib/kernel/kernel.cpp +++ b/common/lib/kernel/kernel.cpp @@ -253,8 +253,17 @@ int kernel_set_nr_hugepages(int nr) FILE *f; f = fopen(PROCFS_PATH "/sys/vm/nr_hugepages", "w"); - if (!f) - serror("Failed to open %s", PROCFS_PATH "/sys/vm/nr_hugepages"); + if (!f){ + + if (access("/.dockerenv", F_OK) != -1) + warning("This functionality is unavilable in this mode. Please run in the privileged mode."); + else + serror("Failed to open %s", PROCFS_PATH "/sys/vm/nr_hugepages"); + } + + + } + fprintf(f, "%d\n", nr); fclose(f);