diff options
| author | Michal Biesek <michalbiesek@gmail.com> | 2023-08-08 21:41:06 +0200 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2026-03-19 09:57:30 -0400 |
| commit | 19f9aeaaba1bde5b541b7758cbf661ba29fb9cea (patch) | |
| tree | 18fc31b557baad3b6387473df0259146d689d2dc | |
| parent | 56df2e1fc1528ece18001ed430d714356ea10340 (diff) | |
| download | musl-19f9aeaaba1bde5b541b7758cbf661ba29fb9cea.tar.gz | |
sys/mman.h: add MADV_COLLAPSE from linux v6.1
Add madvise flag which performs a best-effort synchronous
collapse of the native pages mapped by the memory range
into Transparent Huge Pages (THPs)
see
linux commit 7d8faaf155454f8798ec56404faca29a82689c77
mm/madvise: introduce MADV_COLLAPSE sync hugepage collapse
| -rw-r--r-- | include/sys/mman.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sys/mman.h b/include/sys/mman.h index 0184f642..aa2c4817 100644 --- a/include/sys/mman.h +++ b/include/sys/mman.h @@ -98,6 +98,7 @@ extern "C" { #define MADV_POPULATE_READ 22 #define MADV_POPULATE_WRITE 23 #define MADV_DONTNEED_LOCKED 24 +#define MADV_COLLAPSE 25 #define MADV_HWPOISON 100 #define MADV_SOFT_OFFLINE 101 #endif |