From 00673f93826bf1fbde728d202c319a684bb87150 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 23 Nov 2009 21:35:34 -0500 Subject: nommu: use MAP_UNINITIALIZE for mallocs Now that the kernel supports MAP_UNINITIALIZE, have the malloc places use it to get real uninitialized memory on no-mmu systems. This avoids a lot of normally useless overhead involved in zeroing out all of the memory (sometimes multiple times). Signed-off-by: Mike Frysinger --- ldso/ldso/dl-elf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'ldso/ldso/dl-elf.c') diff --git a/ldso/ldso/dl-elf.c b/ldso/ldso/dl-elf.c index e7cb138d4..6bf5bbd6a 100644 --- a/ldso/ldso/dl-elf.c +++ b/ldso/ldso/dl-elf.c @@ -376,7 +376,7 @@ struct elf_resolve *_dl_load_elf_shared_library(int secure, } } header = _dl_mmap((void *) 0, _dl_pagesize, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + MAP_PRIVATE | MAP_ANONYMOUS | MAP_UNINITIALIZE, -1, 0); if (_dl_mmap_check_error(header)) { _dl_dprintf(2, "%s:%i: can't map '%s'\n", _dl_progname, __LINE__, libname); _dl_internal_error_number = LD_ERROR_MMAP_FAILED; -- cgit v1.2.3