Revert "mm: Increase number of GFP masks"

This reverts commit 62091d9ee622b3cdad766eca59e31c71a5118239.
Revert "lowmemorykiller: Account for highmem during kswapd reclaim"

This reverts commit ea9fc719a8def8fa94d1b1b8734acd878141f318.
msm: camera: Fix improper ion free in error case

In case of ion import failure, error value is being passed as an
handle to ion_free which causes invalid address access. This patch
fixes improper api calls in error case.
Change-Id: Ibc85f12d92d876ffb18afe4d330a6c59f2b8bfcc
Signed-off-by: Aditya Jonnalagadda <ajonnala@codeaurora.org>