Re: [PATCH v9 13/21] mm: pagewalk: Add test_p?d callbacks

2019-07-29 Thread Steven Price
On 28/07/2019 14:41, Anshuman Khandual wrote: > > > On 07/22/2019 09:12 PM, Steven Price wrote: >> It is useful to be able to skip parts of the page table tree even when >> walking without VMAs. Add test_p?d callbacks similar to test_walk but >> which are called just before a table at that level

Re: [PATCH v9 13/21] mm: pagewalk: Add test_p?d callbacks

2019-07-28 Thread Anshuman Khandual
On 07/22/2019 09:12 PM, Steven Price wrote: > It is useful to be able to skip parts of the page table tree even when > walking without VMAs. Add test_p?d callbacks similar to test_walk but > which are called just before a table at that level is walked. If the > callback returns non-zero then the

[PATCH v9 13/21] mm: pagewalk: Add test_p?d callbacks

2019-07-22 Thread Steven Price
It is useful to be able to skip parts of the page table tree even when walking without VMAs. Add test_p?d callbacks similar to test_walk but which are called just before a table at that level is walked. If the callback returns non-zero then the entire table is skipped. Signed-off-by: Steven Price