VisionFive2 Linux kernel

author: Jie Zhang <jie.zhang@analog.com> 2009-12-14 18:00:02 -0800 committer: Linus Torvalds <torvalds@linux-foundation.org> 2009-12-15 08:53:24 -0800 commit: ea637639591def87a54cea811cbac796980cb30d parent: 5dc37642cbce34619e4588a9f0bdad1d2f870956

Commit Summary:

nommu: fix malloc performance by adding uninitialized flag

Diffstat:

1 file changed, 2 insertions, 1 deletion

diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 38502c67987c..79d2b1aa389f 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -380,7 +380,8 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
 	down_write(&current->mm->mmap_sem);
 	current->mm->start_brk = do_mmap(NULL, 0, stack_size,
 					 PROT_READ | PROT_WRITE | PROT_EXEC,
-					 MAP_PRIVATE | MAP_ANONYMOUS | MAP_GROWSDOWN,
+					 MAP_PRIVATE | MAP_ANONYMOUS |
+					 MAP_UNINITIALIZED | MAP_GROWSDOWN,
 					 0);
 
 	if (IS_ERR_VALUE(current->mm->start_brk)) {