Ticket #8421: 0001-mmap-should-try-to-honour-the-address-hint.patch

File 0001-mmap-should-try-to-honour-the-address-hint.patch, 901 bytes (added by hamish, 12 years ago)

  • src/system/libroot/posix/sys/mman.cpp 

    From ba6de084da5c6a65c60bc9f5e669ef4fef1af827 Mon Sep 17 00:00:00 2001
From: Hamish Morrison <hamish@lavabit.com>
Date: Mon, 26 Mar 2012 05:37:20 +0000
Subject: [PATCH] mmap should try to honour the address hint

---
 src/system/libroot/posix/sys/mman.cpp |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/system/libroot/posix/sys/mman.cpp b/src/system/libroot/posix/sys/mman.cpp
index a936840..17866ee 100644
    a b mmap(void* address, size_t length, int protection, int flags, int fd,  
    113113    int mapping = (flags & MAP_SHARED) != 0
    114114        ? REGION_NO_PRIVATE_MAP : REGION_PRIVATE_MAP;
    115115
    116     uint32 addressSpec = B_ANY_ADDRESS;
     116    uint32 addressSpec = address == NULL ? B_ANY_ADDRESS : B_BASE_ADDRESS;
    117117    if ((flags & MAP_FIXED) != 0)
    118118        addressSpec = B_EXACT_ADDRESS;
    119119