tree 9ae9b5f3445f5138a3c68576f79875ee00ea90b6
parent 2b9719e3612149aa0a2124e135bc8ed2d5b911dd
author Elliott Hughes <enh@google.com> 1617752317 -0700
committer Elliott Hughes <enh@google.com> 1617752317 -0700

Fix return type of process_madvise().

Noticed this from
https://man7.org/linux/man-pages/man2/process_madvise.2.html but
independently confirmed by checking the kernel source.

Also fix the documentation.

Test: treehugger
Change-Id: I6beeeeb2178a58a22a36532e634917b3ae8767ee