On 02/24/2010 03:29 PM, Yinghai Lu wrote: > On 02/24/2010 02:59 PM, Peter Zijlstra wrote: >> On Tue, 2010-02-16 at 17:16 -0800, Yinghai Lu wrote: >> >>> Subject: [PATCH -v3 16/35] x86: make 64 bit use early_res instead of bootmem before slab >>> >>> finally we can use early_res to replace bootmem for x86_64 now. >>> >>> still can use CONFIG_NO_BOOTMEM to enable it or not >>> >>> -v2: fix 32bit compiling about MAX_DMA32_PFN >>> -v3: fix PPC compiling >>> | mm/page_alloc.c:3468: error: implicit declaration of function 'find_early_area' >>> | mm/page_alloc.c:3483: error: implicit declaration of function 'reserve_early_without_check' >>> >>> | actually the function is only needed for no_bootmem >>> >>> >>> Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx> >> >> This makes my machine unhappy and panic.. machine works fine with >> CONFIG_NO_BOOTMEM=n >> >> Kernel panic - not syncing: free_early on not reserved area: 2f80000-2f9ffff! >> Pid: 0, comm: swapper Not tainted 2.6.33-rc8-tip-00918-gb34d361 #159 >> Call Trace: >> [<ffffffff815d12e2>] panic+0x84/0x147 >> [<ffffffff81cceecb>] free_early+0x64/0x6d >> [<ffffffff81cd2231>] free_bootmem+0xc/0xe >> [<ffffffff81cc1cd6>] pcpu_fc_free+0x1d/0x1f >> [<ffffffff81cd6056>] pcpu_embed_first_chunk+0x13a/0x27f >> [<ffffffff81cc1cd8>] ? pcpu_fc_alloc+0x0/0xac >> [<ffffffff81cc1cb9>] ? pcpu_fc_free+0x0/0x1f >> [<ffffffff81cc1af7>] setup_per_cpu_areas+0x82/0x239 >> [<ffffffff81cb5b3c>] start_kernel+0x1b8/0x43b >> [<ffffffff81cb52bc>] x86_64_start_reservations+0xa7/0xab >> [<ffffffff81cb53b8>] x86_64_start_kernel+0xf8/0x107 >> > > we can not handle partial free, and current only user for that is pcpu_setup... > Tejun, any plan to pcpu_setup to use slab allocation instead of bootmem? that code is only one user that do partial bootmem free. Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
