[PATCH next 0/2] THP COW support for private executable file mmap

Zhang Qilong
2025-12-15T12:38:39Z

This patch series implementate THP COW for private executable file
mmap. It's major designed to increase the iTLB cache hit rate for
hot patching application, and we add a new sysfs knob to disable or
enable it.

Zhang Qilong (2):
mm/huge_memory: Implementation of THP COW for executable file mmap
mm/huge_memory: Add sysfs knob for executable THP COW

Documentation/admin-guide/mm/transhuge.rst | 8 ++
include/linux/huge_mm.h | 5 +
mm/huge_memory.c | 105 ++++++++++++++++++++-
mm/memory.c | 13 +++
4 files changed, 130 insertions(+), 1 deletion(-)

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2.43.0