Re: ext4 corruption on alpha with 4.20.0-09062-gd8372ba8ce28

2019-02-21 Thread Jan Kara
where to look will help. Thanks! > > Tested both. > > Just CONFIG_MIGRATION + CONFIG_COMPACTION breaks the alpha. > Just CONFIG_BOUNCE has no effect in 5 tries. OK, so page migration is problematic. Thanks for confirmation! Honza -- Jan Kara SUSE Labs, CR

Re: ext4 corruption on alpha with 4.20.0-09062-gd8372ba8ce28

2019-02-20 Thread Jan Kara
ting! Can you narrow down whether the problem is due to CONFIG_BOUNCE or CONFIG_MIGRATION + CONFIG_COMPACTION? These are two completely different things so knowing where to look will help. Thanks! Honza -- Jan Kara SUSE Labs, CR

Re: ext4 corruption on alpha with 4.20.0-09062-gd8372ba8ce28

2019-02-19 Thread Jan Kara
en. Thanks for information. Yeah, that makes somewhat more sense. Can you ever see the failure if you disable CONFIG_TRANSPARENT_HUGEPAGE? Because your findings still seem to indicate that there' some problem with page migration and Alpha (added MM list to CC). Honza -- Jan Kara SUSE Labs, CR

Re: ext4 corruption on alpha with 4.20.0-09062-gd8372ba8ce28

2019-02-18 Thread Jan Kara
k device pages we were not able to migrate previously and that could be causing some unexpected issue. I'll look into this. Honza -- Jan Kara SUSE Labs, CR

Re: [PATCH 05/10] mm: replace get_vaddr_frames() write/force parameters with gup_flags

2016-10-19 Thread Jan Kara
r (and hence > bugs) within the mm subsystem. > > Signed-off-by: Lorenzo Stoakes <lstoa...@gmail.com> Looks good. You can add: Reviewed-by: Jan Kara <j...@suse.cz> Honza > --- > drivers/gpu/drm/exynos/exynos

Re: [PATCH 08/10] mm: replace __access_remote_vm() write parameter with gup_flags

2016-10-19 Thread Jan Kara
remote_vm(NULL, mm, addr, buf, len, > + write ? FOLL_WRITE : 0); > } > > /* > @@ -1871,7 +1873,8 @@ int access_process_vm(struct task_struct *tsk, unsigned > long addr, void *buf, in > if (!mm) > return 0; > > - len =

Re: [PATCH 06/10] mm: replace get_user_pages() write/force parameters with gup_flags

2016-10-19 Thread Jan Kara
hence > bugs) within the mm subsystem. > > Signed-off-by: Lorenzo Stoakes <lstoa...@gmail.com> The patch looks good. You can add: Reviewed-by: Jan Kara <j...@suse.cz> Honza > --- > arch/cris/arch-v32/d

Re: [PATCH 04/10] mm: replace get_user_pages_locked() write/force parameters with gup_flags

2016-10-19 Thread Jan Kara
On Tue 18-10-16 14:56:09, Lorenzo Stoakes wrote: > On Tue, Oct 18, 2016 at 02:54:25PM +0200, Jan Kara wrote: > > > @@ -1282,7 +1282,7 @@ long get_user_pages(unsigned long start, unsigned > > > long nr_pages, > > > int write,

Re: [PATCH 02/10] mm: remove write/force parameters from __get_user_pages_unlocked()

2016-10-18 Thread Jan Kara
> mm subsystem. > > Signed-off-by: Lorenzo Stoakes <lstoa...@gmail.com> The patch looks good. You can add: Reviewed-by: Jan Kara <j...@suse.cz> Honza -- Jan Kara <j...@suse.com> SUSE Labs, CR -- To unsubscribe

Re: [PATCH 01/10] mm: remove write/force parameters from __get_user_pages_locked()

2016-10-18 Thread Jan Kara
he mm subsystem. > > Signed-off-by: Lorenzo Stoakes <lstoa...@gmail.com> Looks good. You can add: Reviewed-by: Jan Kara <j...@suse.cz> Honza -- Jan Kara <j...@suse.com> SUSE Labs, CR -- To unsubscribe from this list: