From: Michal Biesek <michalbiesek@gmail.com>
To: musl@lists.openwall.com
Cc: Michal Biesek <michalbiesek@gmail.com>
Subject: [musl] [PATCH] sys/mman.h: add MADV_POPULATE_(READ|WRITE) from linux v5.14
Date: Tue, 8 Aug 2023 11:46:09 +0200 [thread overview]
Message-ID: <20230808094609.28210-1-michalbiesek@gmail.com> (raw)
Add madvise flags to populate(prefault) page tables
see
linux commit 4ca9b3859dac14bbef0c27d00667bb5b10917adb
mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault page tables
---
include/sys/mman.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/sys/mman.h b/include/sys/mman.h
index 3d5d0f9c..ba371539 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -95,6 +95,8 @@ extern "C" {
#define MADV_KEEPONFORK 19
#define MADV_COLD 20
#define MADV_PAGEOUT 21
+#define MADV_POPULATE_READ 22
+#define MADV_POPULATE_WRITE 23
#define MADV_HWPOISON 100
#define MADV_SOFT_OFFLINE 101
#endif
--
2.34.1
reply other threads:[~2023-08-08 9:46 UTC|newest]
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