diff options
Diffstat (limited to 'extra/Configs')
| -rw-r--r-- | extra/Configs/Config.in | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in index 151d60216..8f5eee439 100644 --- a/extra/Configs/Config.in +++ b/extra/Configs/Config.in @@ -287,24 +287,36 @@ config UCLIBC_HAS_LFS choice prompt "Malloc Implementation" - default MALLOC_930716 + default MALLOC if ! UCLIBC_HAS_MMU + default MALLOC_STANDARD if UCLIBC_HAS_MMU help "malloc" use mmap for all allocations and so works very well on MMU-less systems that do not support the brk() system call. It is pretty smart about reusing already allocated memory, and minimizing memory wastage. + This is the default for uClinux MMU-less systems. - "malloc-930716" is derived from libc-5.3.12 and uses the brk() system call - for all memory allocations. This makes it very fast. It is also pretty - smart about reusing already allocated memory, and minimizing memory wastage. - Because this uses brk() it will not work on uClinux MMU-less systems. + "malloc-simple" was written from scratch for uClibc, and is the + simplest possible (and therefore smallest) malloc implementation. + It is rather dumb, and certainly isn't the fastest. But it is 100% + standards compliant, thread safe, and very small. - If unsure, answer "malloc". + "malloc-standard" is derived from the public domain dlmalloc + implementation by Doug Lea. It is quite fast, and is pretty smart + about reusing already allocated memory, and minimizing memory + wastage. This uses brk() for small allocations, while using mmap() + for larger allocations. This is the default malloc implementation + for uClibc. + + If unsure, answer "malloc-standard". config MALLOC bool "malloc" -config MALLOC_930716 - bool "malloc-930716" +config MALLOC_SIMPLE + bool "malloc-simple" + +config MALLOC_STANDARD + bool "malloc-standard" depends on UCLIBC_HAS_MMU endchoice |