| Message ID | 72c1c5f1a3f28137eb9e379f927fc9908699c249.1649401201.git.christophe.leroy@csgroup.eu (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | mm: Enable conversion of powerpc to default topdown mmap layout | expand |
diff --git a/mm/util.c b/mm/util.c index 54e5e761a9a9..0787fe4af4ac 100644 --- a/mm/util.c +++ b/mm/util.c @@ -344,7 +344,7 @@ unsigned long randomize_stack_top(unsigned long stack_top) } #ifdef CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT -unsigned long arch_randomize_brk(struct mm_struct *mm) +unsigned long __weak arch_randomize_brk(struct mm_struct *mm) { /* Is the current task 32bit ? */ if (!IS_ENABLED(CONFIG_64BIT) || is_compat_task())
Commit e7142bf5d231 ("arm64, mm: make randomization selected by generic topdown mmap layout") introduced a default version of arch_randomize_brk() provided when CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT is selected. powerpc could select CONFIG_ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT but needs to provide its own arch_randomize_brk(). In order to allow that, define generic version of arch_randomize_brk() as a __weak symbol. Cc: Alexandre Ghiti <alex@ghiti.fr> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- mm/util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)