Xorg memory usage through the roof

The last 2 days my pc is slowing down in response to user input. This is due to Xorg to go through the roof with memory usage. After 2 hours of operation (fresh boot) it is eating up 2G of memory. Over the timespan of the day it is eating up around 5G of memory. I use Firefox and Google Hangouts constantly during the day.

I used ksysguard to check and that states Xorg uses privately:

1090128 KB    [heap]175656 KB    /dev/ati/card0
11720 KB    /usr/lib64/dri/fglrx_dri.so
8488 KB    /usr/lib64/xorg/modules/drivers/fglrx_drv.so
3288 KB    /usr/lib64/xorg/modules/glesx.so

pmap:

9615: XorgSTART               SIZE     RSS     PSS   DIRTY    SWAP PERM MAPPING
0000000000400000   2052K   1524K   1524K      0K      0K r-xp /usr/bin/Xorg
0000000000801000     12K     12K     12K      8K      0K r--p /usr/bin/Xorg
0000000000804000     48K     32K     32K     32K      0K rw-p /usr/bin/Xorg
0000000000810000     64K     60K     60K     60K      0K rw-p [anon]
000000000255b000 1094140K 1090896K 1090896K 1090896K      0K rw-p [heap]
00007fa8fa4d5000  65536K  10844K   5422K  10844K      0K rw-s /SYSV0000000
  1. Is there a known issue (I have search and couldn’t find it) related to this behavior.
  2. Can I fix this easily?

I’m using the ATI proprietary driver for display.

Please move this thread if I used the wrong subforum.

Which driver?? There was a new one just released but it is not in the repos yet.

fglrx64_graphics_SUSE131-14.501.1003-2.x86_64
fglrx64_amdcccle_SUSE131-14.501.1003-2.x86_64
fglrx64_core_SUSE131-14.501.1003-2.x86_64
fglrx64_opencl_SUSE131-14.501.1003-2.x86_64
fglrx64_xpic_SUSE131-14.501.1003-2.x86_64