Ветка:
mergelibs-240327-1029
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add-upcoming-event-1
alexv-smirnov-patch-1
alexv-smirnov-patch-2
alexv-smirnov-patch-3
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AlexSm
6d3e410c45
Remove CMakeLists from main (#2032)
|
9 месяцев назад | |
|---|---|---|
| .. | ||
| unittests | d28c55ab25 Intermediate changes | 1 год назад |
| README.md | d28c55ab25 Intermediate changes | 1 год назад |
| mlock.h | d28c55ab25 Intermediate changes | 1 год назад |
| mlock_linux.cpp | d28c55ab25 Intermediate changes | 1 год назад |
| mlock_other.cpp | d28c55ab25 Intermediate changes | 1 год назад |
| ya.make | d28c55ab25 Intermediate changes | 1 год назад |
README.md
mlock
MlockFileMappings подгружает и лочит в память все страницы исполняемого файла.
В отличии от вызова mlockall, функция не лочит другие страницы процесса. mlockall явно выделяет физическую память под все vma. Типичный процесс сначала стартует и инициализирует аллокатор, а потом уже вызывает функцию для mlock страниц. Аллокатор при старте выделяет большие диапазоны через mmap, но реально их не использует. Поэтому mlockall приводит в повышенному потреблению памяти.
Также, в отличии от mlockall, функция может подгрузить страницы в память сразу.