Match linux-user, by manually applying the following commits, in order:
d28b3c90cf linux-user: Make sure initial brk(0) is page-aligned
15ad98536a linux-user: Fix qemu brk() to not zero bytes on current page
dfe49864af linux-user: Prohibit brk() to to shrink below initial heap address
eac78a4b0b linux-user: Fix signed math overflow in brk() syscall
c6cc059eca linux-user: Do not call get_errno() in do_brk()
e69e032d1a linux-user: Use MAP_FIXED_NOREPLACE for do_brk()
cb9d5d1fda linux-user: Do nothing if too small brk is specified
2aea137a42 linux-user: Do not align brk with host page size
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-19-kariem.taha2.7@gmail.com>
a99d740347