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Suren Baghdasaryan b2d59ee367 lmkd: Optimize frequent file reads by keeping file descriptors open 
To check system memory state lmkd is using same files every time vmpressure
event is received. Instead of opening and closing these files every time
we store the file descriptor and use pread() to reread the file from
the beginning.

Bug: 77299493
Bug: 75322373
Change-Id: I8e27f8b9526e82e3cc313a02fce215c2e4dd3d29
Merged-In: I8e27f8b9526e82e3cc313a02fce215c2e4dd3d29
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
(cherry picked from commit d716fe3610)
2018-04-16 09:33:44 -07:00
adb adb: fix adb reverse when adbd has multiple transports. 2018-04-13 17:47:42 -07:00
adf Merge "Add OWNERS." am: 3289b9c928 am: 515c8fe572 2017-12-08 01:29:20 +00:00
base Allow android::base::ScopeGuard in STL containers 2018-03-27 00:38:06 +00:00
bootstat Merge "Fix PDK build" am: 24e34e4b8e am: 9a393de28f 2018-02-14 03:23:00 +00:00
cpio Possible null pointer miss on realloc 2017-03-23 22:41:14 +01:00
debuggerd Mark crash_dump.policy as not supported on mips 2018-02-27 15:35:11 -08:00
demangle bpfmt. 2018-02-16 17:58:14 -08:00
fastboot fastboot: fix header_actual calculation 2018-04-12 17:20:53 +00:00
fs_mgr fastboot, fs_mgr: set fsverity feature bit 2018-04-06 10:18:21 -07:00
gatekeeperd Merge "Revert "Restore "Add UID parameter to authentication token""" 2018-02-23 17:42:46 +00:00
healthd Use the non-LTO, non-PGO version of libhwbinder 2018-04-09 10:40:06 -07:00
include Move android_filesystem_config.h => fs_config.h 2017-08-02 16:31:19 -07:00
init init: do not impose vendor_init restrictions on old vendor images 2018-04-12 15:33:15 -07:00
libappfuse Stop using SO_SNDBUFFORCE 2018-03-15 14:22:27 +09:00
libasyncio bpfmt. 2018-02-16 17:58:14 -08:00
libbacktrace Add a MemoryOfflineBuffer object. 2018-04-04 12:29:25 -07:00
libbinderwrapper libbinderwrapper: Android.mk -> Android.bp 2017-04-25 15:55:26 -07:00
libcrypto_utils Mark the modules as VNDK in Android.bp 2017-09-14 08:35:16 +00:00
libcutils Remove vendor Wifi and BT entries from fs_config.cpp 2018-04-05 10:40:49 -07:00
libdiskconfig Rename target.linux[_x86[_64]] to target.linux_glibc[_x86[_64]] 2017-10-02 10:44:29 -07:00
libgrallocusage Use -Werror in system/core 2017-11-01 11:32:55 -07:00
libion bpfmt. 2018-02-16 17:58:14 -08:00
libkeyutils Add libkeyutils. 2017-05-10 10:40:11 -07:00
liblog liblog: save errno through log writing 2018-03-07 22:30:16 +00:00
libmemtrack Add OWNERS. 2017-12-07 13:30:03 -08:00
libmemunreachable Make memunreachable_binder_test suitable for VTS 2018-02-27 18:29:18 -08:00
libmetricslogger Add OWNERS. 2017-12-07 13:30:03 -08:00
libnativebridge bpfmt. 2018-02-16 17:58:14 -08:00
libnativeloader bpfmt. 2018-02-16 17:58:14 -08:00
libnetutils Merge "Add OWNERS." am: 3289b9c928 2017-12-07 23:51:13 +00:00
libpackagelistparser bpfmt. 2018-02-16 17:58:14 -08:00
libpixelflinger MIPS[64]: codeflinger: Fix build due to unused variable warnings 2017-11-06 16:38:49 +01:00
libprocessgroup libprocessgroup: remove legacy C string handling and build for host 2018-02-27 14:12:19 -08:00
libprocinfo bpfmt. 2018-02-16 17:58:14 -08:00
libqtaguid Redirect qtaguid native call to netd fwmark client 2017-11-09 18:02:22 -08:00
libsparse Merge "<stdbool.h> not necessary in C++." 2017-10-17 19:26:53 +00:00
libsuspend Add force_suspend function 2018-01-19 12:30:39 -08:00
libsync Merge "libsync: Add fence info tests" 2017-09-26 23:46:32 +00:00
libsystem graphics: add render intents and new color modes 2018-03-28 10:23:09 -07:00
libsysutils Include iface index in the netlink event 2018-03-09 12:46:20 +09:00
libunwindstack Add a MemoryOfflineBuffer object. 2018-04-04 12:29:25 -07:00
libusbhost Merge "Remove urb request size maximum." am: 1cb765c867 am: 1ab6e9d018 2018-02-13 09:02:38 +00:00
libutils Revert "libutilscallstack is private VNDK-SP" 2018-03-15 10:46:30 +09:00
libvndksupport bpfmt. 2018-02-16 17:58:14 -08:00
libziparchive Merge "Remove empty zip warning on host builds" am: fd42c09813 2018-03-02 02:32:13 +00:00
lmkd lmkd: Optimize frequent file reads by keeping file descriptors open 2018-04-16 09:33:44 -07:00
logcat Add event log tag for hidden API access logging. 2018-04-10 14:32:23 +01:00
logd Make logd more aggressive when scanning for the position from which to resume logging. 2018-04-04 14:46:45 -07:00
logwrapper Build /vendor/bin/logwrapper too. 2018-04-12 12:12:46 +00:00
mkbootimg Add dummy vndk library libmkbootimg to enable abi checks on boot_img_hdr. 2018-04-02 17:32:23 -07:00
property_service Verify the SELabels used in property_contexts 2018-03-26 16:32:05 -07:00
qemu_pipe Add OWNERS. 2017-12-07 13:30:03 -08:00
reboot reboot: only pause indefinitely for non-shutdown operations 2017-09-29 16:29:52 +00:00
rootdir healthd: add healthd.rc 2018-04-04 14:08:04 -07:00
run-as run-as: Keep supplementary groups. 2017-09-29 15:34:23 -04:00
sdcard Add support for esdfs mounting 2018-01-19 12:58:42 -08:00
shell_and_utilities Build /vendor/bin/logwrapper too. 2018-04-12 12:12:46 +00:00
storaged storaged: lower capabilities in init 2018-04-13 11:27:48 -07:00
toolbox Build toolbox with _FILE_OFFSET_BITS=64. 2018-01-22 16:15:55 -08:00
trusty Merge "bpfmt." am: 0609e8d231 am: b57755c429 2018-02-20 02:24:45 +00:00
usbd bpfmt. 2018-02-16 17:58:14 -08:00
.clang-format Add a 2 width option of clang format. 2017-03-10 13:01:39 -08:00
.clang-format-2 Only allow short functions in class definitions. 2017-03-28 12:31:37 -07:00
.clang-format-4 Only allow short functions in class definitions. 2017-03-28 12:31:37 -07:00
.gitignore Ignore adb/*.pyc files 2015-08-11 12:59:58 -07:00
Android.bp Export android_filesystem_config.h as a filegroup 2017-01-17 18:20:28 -08:00
Android.mk Remove the simulator target from all makefiles. 2011-07-11 22:12:32 -07:00
CleanSpec.mk Add VNDK version for namespace configuration files 2017-12-13 10:31:04 +09:00
MODULE_LICENSE_APACHE2 auto import from //depot/cupcake/@135843 2013-07-30 13:56:49 -07:00
NOTICE Fix omission in NOTICE file. 2013-07-30 13:56:55 -07:00
OWNERS Add OWNERS. 2017-12-07 13:30:03 -08:00
platform_tools_tool_version.mk Fix warning on the build servers 2017-05-25 12:35:40 -07:00
PREUPLOAD.cfg Add a PREUPLOAD.cfg file to run git-clang-format on every commit 2017-03-08 16:51:26 +08:00