yukijoou/kwin
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Move trim malloc from KWorkspace to KWin

Browse source 
It is only used by KWin and KWin does not use anything else
from KWorkspace.

REVIEW: 104446
This commit is contained in:
Martin Gräßlin 2012-03-30 09:54:18 +02:00
parent 7c00ab45f7
commit 561199762f
2 changed files with 25 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
CMakeLists.txt
View file

@ -54,7 +54,6 @@ include_directories(BEFORE
${CMAKE_CURRENT_SOURCE_DIR}/libkdecorations
${CMAKE_CURRENT_SOURCE_DIR}/effects
${CMAKE_CURRENT_SOURCE_DIR}/tabbox
${KDEBASE_WORKSPACE_SOURCE_DIR}/libs/kworkspace
)
add_subdirectory( libkdecorations )
@ -173,7 +172,7 @@ qt4_add_dbus_interface( kwin_KDEINIT_SRCS
qt4_add_resources( kwin_KDEINIT_SRCS resources.qrc )
set(kwinLibs ${KDE4_KDEUI_LIBS} ${KDE4_PLASMA_LIBS} ${QT_QTDECLARATIVE_LIBRARY} kdeclarative kworkspace kdecorations kwineffects ${X11_LIBRARIES} ${X11_Xrandr_LIB} ${X11_Xcomposite_LIB} ${X11_Xdamage_LIB} ${X11_Xrender_LIB} ${X11_Xfixes_LIB})
set(kwinLibs ${KDE4_KDEUI_LIBS} ${KDE4_PLASMA_LIBS} ${QT_QTDECLARATIVE_LIBRARY} kdeclarative kdecorations kwineffects ${X11_LIBRARIES} ${X11_Xrandr_LIB} ${X11_Xcomposite_LIB} ${X11_Xdamage_LIB} ${X11_Xrender_LIB} ${X11_Xfixes_LIB})
find_library(XF86VM_LIBRARY Xxf86vm)
if (XF86VM_LIBRARY)

26
main.cpp
View file

@ -53,7 +53,16 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <QLabel>
#include <KComboBox>
#include <QVBoxLayout>
#include <kworkspace/kworkspace.h>
#include "config-workspace.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif // HAVE_UNISTD_H
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif // HAVE_MALLOC_H
#include <ksmserver_interface.h>
@ -407,7 +416,20 @@ KDE_EXPORT int kdemain(int argc, char * argv[])
}
}
KWorkSpace::trimMalloc();
#ifdef M_TRIM_THRESHOLD
// Prevent fragmentation of the heap by malloc (glibc).
//
// The default threshold is 128*1024, which can result in a large memory usage
// due to fragmentation especially if we use the raster graphicssystem. On the
// otherside if the threshold is too low, free() starts to permanently ask the kernel
// about shrinking the heap.
#ifdef HAVE_UNISTD_H
const int pagesize = sysconf(_SC_PAGESIZE);
#else
const int pagesize = 4*1024;
#endif // HAVE_UNISTD_H
mallopt(M_TRIM_THRESHOLD, 5*pagesize);
#endif // M_TRIM_THRESHOLD
// the raster graphicssystem has a quite terrible performance on the XRender backend or when not
// compositing at all while some to many decorations suffer from bad performance of the native