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SubjectRe: [ANOMALIES]: 2.4.2 - __alloc_pages: failed - Patch failed
Feb 23 21:17:47 coredump kernel: __alloc_pages: 3-order allocation failed.
Feb 23 21:17:47 coredump kernel: __alloc_pages: 2-order allocation failed.
Feb 23 21:17:47 coredump kernel: __alloc_pages: 1-order allocation failed.
Feb 23 21:17:47 coredump kernel: __alloc_pages: 3-order allocation failed.
Feb 23 21:17:47 coredump kernel: __alloc_pages: 3-order allocation failed.
Feb 23 21:17:47 coredump kernel: __alloc_pages: 2-order allocation failed.
Feb 23 21:17:47 coredump kernel: __alloc_pages: 1-order allocation failed.

didnt, work, still causing this..

Shawn Starr wrote:

> Ok apply patch and loop patch... I'll let you know what happens in my next
> email.
>
> Mike Galbraith wrote:
>
> > On Fri, 23 Feb 2001, Shawn Starr wrote:
> >
> > > Feb 23 03:31:18 coredump kernel: __alloc_pages: 3-order allocation
> > > failed.
> > > Feb 23 03:31:18 coredump kernel: __alloc_pages: 3-order allocation
> > > failed.
> > > Feb 23 03:31:18 coredump kernel: __alloc_pages: 2-order allocation
> > > failed.
> > > Feb 23 03:31:18 coredump kernel: __alloc_pages: 3-order allocation
> > > failed.
> > > Feb 23 03:31:18 coredump kernel: __alloc_pages: 3-order allocation
> > > failed.
> > > Feb 23 03:31:18 coredump kernel: __alloc_pages: 2-order allocation
> > > failed.
> > > Feb 23 03:31:18 coredump kernel: __alloc_pages: 3-order allocation
> > > failed.
> > >
> > > The use of mkisofs and xcdroster with cdrecord seems to cause this fault
> > > in kernel.log
> >
> > Hi,
> >
> > Can you try the below for the high order allocation problem? We don't
> > try very hard at all to service high order allocations under load. If
> > it helps, let me know and I'll submit it to Rik for consideration.
> >
> > (for loop troubles, you should try Jens' latest loop patch located in
> > your favorite kernel mirror under pub/linux/kernel/people/axboe)
> >
> > -Mike
> >
> > (patch was done against 2.4.1-ac20, but should go in ok)
> > --- mm/page_alloc.c.org Fri Feb 23 13:21:54 2001
> > +++ mm/page_alloc.c Fri Feb 23 13:28:33 2001
> > @@ -274,7 +274,7 @@
> > struct page * __alloc_pages(zonelist_t *zonelist, unsigned long order)
> > {
> > zone_t **zone;
> > - int direct_reclaim = 0;
> > + int direct_reclaim = 0, loop = 0;
> > unsigned int gfp_mask = zonelist->gfp_mask;
> > struct page * page;
> >
> > @@ -366,7 +366,7 @@
> > * able to free some memory we can't free ourselves
> > */
> > wakeup_kswapd();
> > - if (gfp_mask & __GFP_WAIT) {
> > + if (gfp_mask & __GFP_WAIT && loop) {
> > __set_current_state(TASK_RUNNING);
> > current->policy |= SCHED_YIELD;
> > schedule();
> > @@ -393,6 +393,7 @@
> > * --> try to free pages ourselves with page_launder
> > */
> > if (!(current->flags & PF_MEMALLOC)) {
> > + loop++;
> > /*
> > * Are we dealing with a higher order allocation?
> > *
> > @@ -440,7 +441,7 @@
> > memory_pressure++;
> > try_to_free_pages(gfp_mask);
> > wakeup_bdflush(0);
> > - if (!order)
> > + if (!order || loop < (1 << order))
> > goto try_again;
> > }
> > }
>
> -
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