Annotate PageAllocator for MSan.

PageAllocator maps memory via sys_mmap(), implemented in
linux_syscall_support.h. We need to explicitly inform MSan that this memory is
initialized.

Patch by Sergey Matveev <earthdok@chromium.org>

BUG=chromium:394028

Review URL: https://breakpad.appspot.com/2744002/


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1356 4c0a9323-5329-0410-9bdc-e9ce6186880e
1 file changed