From: johan <johan@bergstroem.nu>
Date: Mon, 23 Mar 2015 06:56:53 +0000 (-0700)
Subject: MAP_NORESERVE was never implemented in FreeBSD as has been retired
X-Git-Tag: upstream/4.7.83~3692
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a87e1dc34305e38ba8b6cef207e4d83c1002da21;p=platform%2Fupstream%2Fv8.git

MAP_NORESERVE was never implemented in FreeBSD as has been retired
as of https://reviews.freebsd.org/D848. This makes V8 build on
FreeBSD-current (and the forthcoming 11).

BUG=none
LOG=n

Review URL: https://codereview.chromium.org/1025823003

Cr-Commit-Position: refs/heads/master@{#27348}
---

diff --git a/src/base/platform/platform-freebsd.cc b/src/base/platform/platform-freebsd.cc
index 58316f8..68ed70a 100644
--- a/src/base/platform/platform-freebsd.cc
+++ b/src/base/platform/platform-freebsd.cc
@@ -188,7 +188,7 @@ VirtualMemory::VirtualMemory(size_t size, size_t alignment)
   void* reservation = mmap(OS::GetRandomMmapAddr(),
                            request_size,
                            PROT_NONE,
-                           MAP_PRIVATE | MAP_ANON | MAP_NORESERVE,
+                           MAP_PRIVATE | MAP_ANON,
                            kMmapFd,
                            kMmapFdOffset);
   if (reservation == MAP_FAILED) return;
@@ -260,7 +260,7 @@ void* VirtualMemory::ReserveRegion(size_t size) {
   void* result = mmap(OS::GetRandomMmapAddr(),
                       size,
                       PROT_NONE,
-                      MAP_PRIVATE | MAP_ANON | MAP_NORESERVE,
+                      MAP_PRIVATE | MAP_ANON,
                       kMmapFd,
                       kMmapFdOffset);
 
@@ -288,7 +288,7 @@ bool VirtualMemory::UncommitRegion(void* base, size_t size) {
   return mmap(base,
               size,
               PROT_NONE,
-              MAP_PRIVATE | MAP_ANON | MAP_NORESERVE | MAP_FIXED,
+              MAP_PRIVATE | MAP_ANON | MAP_FIXED,
               kMmapFd,
               kMmapFdOffset) != MAP_FAILED;
 }