From mboxrd@z Thu Jan 1 00:00:00 1970 From: milan.svoboda@centrum.cz (Milan Svoboda) Date: Mon, 13 Sep 2010 14:18:43 +0200 Subject: Regression on UP ARM from commit Message-ID: <1284380323.405634.1921.nullmailer@mail1002.cent> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org > On Sun, Sep 12, 2010 at 11:47:39PM +0200, Linus Walleij wrote: > > commit e18d65f0500b95d8724b17d8ea9f1116cf390bbe > > "slub: Remove static kmem_cache_cpu array for boot" > In which tree have you found this commit? I cant find > e18d65f0500b95d8724b17d8ea9f1116cf390bbe in Linus' (Torvalds) tree up to -rc4. > baruch > > made my ARM 926 UP system hang at boot, if I revert this (have > > to back out a lot of SLUB patches for that) it comes back up. (Same if I > > switch to SLAB.) > > > > Any hints on how I can get patch around this in a nice way? This patch may help you. I got similarly looking problem, so there is chance it is the same problem you are dealing with. I don't know if there is some other problem, but this patch fixes a problem caused by illogical assigning max_addr and boot proceeds as usual and I see no problem during boot and use of the system. Best regards, Milan Svoboda commit 4b970a1688a42c74de4e7ee151608ef6ff8d290c Author: Milan Svoboda Date: Tue Aug 17 08:11:43 2010 +0200 ARM: MM: fix memblock to pass early stage of booting diff --git a/mm/memblock.c b/mm/memblock.c index 3024eb3..a10dacb 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -396,11 +396,6 @@ u64 __init __memblock_alloc_base(u64 size, u64 align, u64 max_addr) size = memblock_align_up(size, align); - /* On some platforms, make sure we allocate lowmem */ - /* Note that MEMBLOCK_REAL_LIMIT may be MEMBLOCK_ALLOC_ANYWHERE */ - if (max_addr == MEMBLOCK_ALLOC_ANYWHERE) - max_addr = MEMBLOCK_REAL_LIMIT; - for (i = memblock.memory.cnt - 1; i >= 0; i--) { u64 memblockbase = memblock.memory.region[i].base; u64 memblocksize = memblock.memory.region[i].size;