Re: kern/52303: linux emulation: linux-brk-syscall return value is page-rounded up (?), on native linux the syscall returns the requested value

[u-bc8k%aetey.se@localhost]

The following reply was made to PR kern/52303; it has been noted by GNATS.

From: u-bc8k%aetey.se@localhost
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/52303: linux emulation: linux-brk-syscall return value is
 page-rounded up (?), on native linux the syscall returns the requested value
Date: Sat, 17 Jun 2017 08:11:52 +0200

 Note that a certain sbrk() implementation can use (and uses in practice)
 the result of
  _syscall1(__NR_brk, 0) 
 requesting "zero address" to find out the previously requested break
 value, not the page-aligned one.