Messages in this thread | | | Subject | Re: [patch v3] swap: virtual swap readahead | From | Peter Zijlstra <> | Date | Wed, 10 Jun 2009 11:42:56 +0200 |
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On Wed, 2009-06-10 at 16:56 +0800, Wu Fengguang wrote: > > Yes it worked! But then I run into page allocation failures: > > [ 340.639803] Xorg: page allocation failure. order:4, mode:0x40d0 > [ 340.645744] Pid: 3258, comm: Xorg Not tainted 2.6.30-rc8-mm1 #303 > [ 340.651839] Call Trace: > [ 340.654289] [<ffffffff810c8204>] __alloc_pages_nodemask+0x344/0x6c0 > [ 340.660645] [<ffffffff810f7489>] __slab_alloc_page+0xb9/0x3b0 > [ 340.666472] [<ffffffff810f8608>] __kmalloc+0x198/0x250 > [ 340.671786] [<ffffffffa014bf9f>] ? i915_gem_execbuffer+0x17f/0x11e0 [i915] > [ 340.678746] [<ffffffffa014bf9f>] i915_gem_execbuffer+0x17f/0x11e0 [i915]
Jesse Barnes had a patch to add a vmalloc fallback to those largish kms allocs.
But order-4 allocs failing isn't really strange, but it might indicate this patch fragments stuff sooner, although I've seen these particular failues before.
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