From 997aef68af3ef1f2cb97da1c0b41a5afa87f63e2 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Mon, 13 May 2019 17:18:40 -0700 Subject: init: provide a generic free_initmem implementation Patch series "provide a generic free_initmem implementation", v2. Many architectures implement free_initmem() in exactly the same or very similar way: they wrap the call to free_initmem_default() with sometimes different 'poison' parameter. These patches switch those architectures to use a generic implementation that does free_initmem_default(POISON_FREE_INITMEM). This was inspired by Christoph's patches for free_initrd_mem [1] and I shamelessly copied changelog entries from his patches :) [1] https://lore.kernel.org/lkml/20190213174621.29297-1-hch@lst.de/ This patch (of 2): For most architectures free_initmem just a wrapper for the same free_initmem_default(-1) call. Provide that as a generic implementation marked __weak. Link: http://lkml.kernel.org/r/1550515285-17446-2-git-send-email-rppt@linux.ibm.com Signed-off-by: Mike Rapoport Reviewed-by: Andrew Morton Cc: Christoph Hellwig Cc: Palmer Dabbelt Cc: Richard Kuo Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- init/main.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'init') diff --git a/init/main.c b/init/main.c index 33c87e91dc37..26234570a324 100644 --- a/init/main.c +++ b/init/main.c @@ -1074,6 +1074,11 @@ static inline void mark_readonly(void) } #endif +void __weak free_initmem(void) +{ + free_initmem_default(-1); +} + static int __ref kernel_init(void *unused) { int ret; -- cgit