On Tue, Jun 25, 2019 at 04:37:05PM +0200, Christoph Hellwig wrote: > The sh code is mostly equivalent to the generic one, minus various > bugfixes and two arch overrides that this patch adds to pgtable.h. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> sh:defconfig no longer builds with this patch applied. mm/gup.c: In function 'gup_huge_pud': arch/sh/include/asm/pgtable-3level.h:40:36: error: implicit declaration of function 'pud_pfn'; did you mean 'pte_pfn'? Bisect log attached. Guenter --- # bad: [48568d8c7f479ec45b9c3d02b4b1895f3ef61a03] Add linux-next specific files for 20190628 # good: [4b972a01a7da614b4796475f933094751a295a2f] Linux 5.2-rc6 git bisect start 'HEAD' 'v5.2-rc6' # good: [89a77c9176fe88f68c3bf7bd255cfea6797258d4] Merge remote-tracking branch 'crypto/master' git bisect good 89a77c9176fe88f68c3bf7bd255cfea6797258d4 # good: [2cedca636ad73ed838bd636685b245404e490c73] Merge remote-tracking branch 'security/next-testing' git bisect good 2cedca636ad73ed838bd636685b245404e490c73 # good: [ea260819fdc2f8a64e6c87f3ad80ecc5e4015921] Merge remote-tracking branch 'char-misc/char-misc-next' git bisect good ea260819fdc2f8a64e6c87f3ad80ecc5e4015921 # good: [aca42ca2a32eacf804ac56a33526f049debc8ec0] Merge remote-tracking branch 'rpmsg/for-next' git bisect good aca42ca2a32eacf804ac56a33526f049debc8ec0 # good: [f4cd0c7f3c07876f7173b5306e974644c6eec141] Merge remote-tracking branch 'pidfd/for-next' git bisect good f4cd0c7f3c07876f7173b5306e974644c6eec141 # bad: [09c57a8ab1fc3474b4a620247a0f9e3ac61c4cfe] mm/sparsemem: support sub-section hotplug git bisect bad 09c57a8ab1fc3474b4a620247a0f9e3ac61c4cfe # good: [aaffcf10880c363870413c5cdee5dfb6a923e9ae] mm: memcontrol: dump memory.stat during cgroup OOM git bisect good aaffcf10880c363870413c5cdee5dfb6a923e9ae # bad: [81d90bb2d2784258ed7c0762ecf34d4665198bad] um: switch to generic version of pte allocation git bisect bad 81d90bb2d2784258ed7c0762ecf34d4665198bad # bad: [dadae650472841f004882a2409aa844e37809c60] sparc64-add-the-missing-pgd_page-definition-fix git bisect bad dadae650472841f004882a2409aa844e37809c60 # good: [d1edd06c6ac8c8c49345ff34de1c72ee571f3f7b] mm: memcg/slab: stop setting page->mem_cgroup pointer for slab pages git bisect good d1edd06c6ac8c8c49345ff34de1c72ee571f3f7b # good: [b1ceaacca9e63794bd3f574c928e7e6aca01bce7] mm: simplify gup_fast_permitted git bisect good b1ceaacca9e63794bd3f574c928e7e6aca01bce7 # good: [59f238b3353caf43b118e1bb44010aa1abd56d7f] sh: add the missing pud_page definition git bisect good 59f238b3353caf43b118e1bb44010aa1abd56d7f # bad: [51bbf54b3f26a85217db720f4e5b01a6c4d3f010] sparc64: add the missing pgd_page definition git bisect bad 51bbf54b3f26a85217db720f4e5b01a6c4d3f010 # bad: [be748d6e72113580af7e37ad68a0047659e60189] sh: use the generic get_user_pages_fast code git bisect bad be748d6e72113580af7e37ad68a0047659e60189 # first bad commit: [be748d6e72113580af7e37ad68a0047659e60189] sh: use the generic get_user_pages_fast code
