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| author | Toshi Kani | 2018-03-23 00:17:24 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2018-03-23 01:07:01 +0100 |
| commit | 28ee90fe6048fa7b7ceaeb8831c0e4e454a4cf89 (patch) | |
| tree | 91da979e7fb0f1d9de2b98c578dd1c23632ed728 /mm/khugepaged.c | |
| parent | mm/vmalloc: add interfaces to free unmapped page table (diff) | |
| download | kernel-qcow2-linux-28ee90fe6048fa7b7ceaeb8831c0e4e454a4cf89.tar.gz kernel-qcow2-linux-28ee90fe6048fa7b7ceaeb8831c0e4e454a4cf89.tar.xz kernel-qcow2-linux-28ee90fe6048fa7b7ceaeb8831c0e4e454a4cf89.zip | |
x86/mm: implement free pmd/pte page interfaces
Implement pud_free_pmd_page() and pmd_free_pte_page() on x86, which
clear a given pud/pmd entry and free up lower level page table(s).
The address range associated with the pud/pmd entry must have been
purged by INVLPG.
Link: http://lkml.kernel.org/r/20180314180155.19492-3-toshi.kani@hpe.com
Fixes: e61ce6ade404e ("mm: change ioremap to set up huge I/O mappings")
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Reported-by: Lei Li <lious.lilei@hisilicon.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/khugepaged.c')
0 files changed, 0 insertions, 0 deletions