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| author | Maria Matejka <mq@ucw.cz> | 2023-01-23 19:51:24 +0100 |
|---|---|---|
| committer | Maria Matejka <mq@ucw.cz> | 2023-01-23 19:51:24 +0100 |
| commit | 21b772fd4394feeb875121051c868eb9b738cb48 (patch) | |
| tree | ad36ec41ff73d82c3e0694c609e87bc6bddec3e6 /sysdep/unix/alloc.c | |
| parent | 758aabd96c0f09709183dff4261ffbfdd72ae870 (diff) | |
| parent | 928a1cb034e6f9e8edcdd1dc07264cd703e00827 (diff) | |
Merge commit '928a1cb034e6f9e8edcdd1dc07264cd703e00827' into thread-next
Diffstat (limited to 'sysdep/unix/alloc.c')
| -rw-r--r-- | sysdep/unix/alloc.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sysdep/unix/alloc.c b/sysdep/unix/alloc.c index 3ea10c32..030fb9c1 100644 --- a/sysdep/unix/alloc.c +++ b/sysdep/unix/alloc.c @@ -20,6 +20,10 @@ #include <sys/mman.h> #endif +#ifdef CONFIG_DISABLE_THP +#include <sys/prctl.h> +#endif + long page_size = 0; #ifdef HAVE_MMAP @@ -293,6 +297,12 @@ page_cleanup(void *_ UNUSED) void resource_sys_init(void) { +#ifdef CONFIG_DISABLE_THP + /* Disable transparent huge pages, they do not work properly with madvice(MADV_DONTNEED) */ + if (prctl(PR_SET_THP_DISABLE, (unsigned long) 1, (unsigned long) 0, (unsigned long) 0, (unsigned long) 0) < 0) + die("prctl(PR_SET_THP_DISABLE) failed: %m"); +#endif + #ifdef HAVE_MMAP /* Check what page size the system supports */ if (!(page_size = sysconf(_SC_PAGESIZE))) |