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Implement guard pages.

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Adding guarded extents, which are regular extents surrounded by guard pages
(mprotected).  To reduce syscalls, small guarded extents are cached as a
separate eset in ecache, and decay through the dirty / muzzy / retained pipeline
as usual.
This commit is contained in:
Qi Wang
2021-04-26 14:22:25 -07:00
committed by Qi Wang
parent 7bb05e04be
commit deb8e62a83
41 changed files with 920 additions and 251 deletions
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2
Makefile.in
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@@ -119,6 +119,7 @@ C_SRCS := $(srcroot)src/jemalloc.c \
$(srcroot)src/extent_dss.c \
$(srcroot)src/extent_mmap.c \
$(srcroot)src/fxp.c \
$(srcroot)src/guard.c \
$(srcroot)src/hook.c \
$(srcroot)src/hpa.c \
$(srcroot)src/hpa_hooks.c \
@@ -218,6 +219,7 @@ TESTS_UNIT := \
${srcroot}test/unit/fb.c \
$(srcroot)test/unit/fork.c \
${srcroot}test/unit/fxp.c \
${srcroot}test/unit/guard.c \
$(srcroot)test/unit/hash.c \
$(srcroot)test/unit/hook.c \
$(srcroot)test/unit/hpa.c \