Hi! On Sun, 31 Aug 2014 17:20:04 +0200, Samuel Thibault wrote: > Please use mmap instead of brk on kfreebsd and hurd too. > Also, using anonymous memory is faster on the Hurd. > [patch] Thanks; finally committed in r234534: commit 04a4d1ce0425912054b6f8db5bc15029bf87e055 Author: tschwinge Date: Tue Mar 29 21:05:07 2016 +0000 [Hurd, kFreeBSD] boehm-gc: Use mmap instead of brk boehm-gc/ * configure.host: Set gc_use_mmap on *-kfreebsd-gnu* and *-gnu*. * include/private/gcconfig.h [HURD && USE_MMAP]: Define USE_MMAP_ANON. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234534 138bc75d-0d04-0410-961f-82ee72b054a4 --- boehm-gc/ChangeLog | 6 ++++++ boehm-gc/configure.host | 2 +- boehm-gc/include/private/gcconfig.h | 2 +- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git boehm-gc/ChangeLog boehm-gc/ChangeLog index c41734a..6896c67 100644 --- boehm-gc/ChangeLog +++ boehm-gc/ChangeLog @@ -1,3 +1,9 @@ +2016-03-29 Samuel Thibault + + * configure.host: Set gc_use_mmap on *-kfreebsd-gnu* and *-gnu*. + * include/private/gcconfig.h [HURD && USE_MMAP]: Define + USE_MMAP_ANON. + 2016-03-16 Andreas Schwab * include/private/gcconfig.h [AARCH64] (ALIGNMENT, CPP_WORDSZ): diff --git boehm-gc/configure.host boehm-gc/configure.host index 97f4dac..229a038 100644 --- boehm-gc/configure.host +++ boehm-gc/configure.host @@ -41,7 +41,7 @@ else fi case "${host}" in - *-linux*) + *-linux*|*-kfreebsd-gnu*|*-gnu*) gc_use_mmap=yes ;; esac diff --git boehm-gc/include/private/gcconfig.h boehm-gc/include/private/gcconfig.h index aa81f15..44b9d7d 100644 --- boehm-gc/include/private/gcconfig.h +++ boehm-gc/include/private/gcconfig.h @@ -2137,7 +2137,7 @@ # endif # endif -#if defined(LINUX) && defined(USE_MMAP) +#if (defined(LINUX) || defined(HURD)) && defined(USE_MMAP) /* The kernel may do a somewhat better job merging mappings etc. */ /* with anonymous mappings. */ # define USE_MMAP_ANON Grüße Thomas