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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2023-08-02 18:14:01 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-08-25 02:20:25 +0300 |
| commit | 9f1f5b60e76d44fa85fef6970b7477f72d3999eb (patch) | |
| tree | 31c4dac4c4254c9cada0af19fe030edf507c017c /mm/memory.c | |
| parent | af4fcb0729329cc4b3f6977d7f75562a00174bd1 (diff) | |
| download | linux-9f1f5b60e76d44fa85fef6970b7477f72d3999eb.tar.xz | |
mm: use flush_icache_pages() in do_set_pmd()
Push the iteration over each page down to the architectures (many can
flush the entire THP without iteration).
Link: https://lkml.kernel.org/r/20230802151406.3735276-34-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memory.c')
| -rw-r--r-- | mm/memory.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/memory.c b/mm/memory.c index 2c6f45d18b73..fbb7f066bfb6 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4265,7 +4265,6 @@ vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page) bool write = vmf->flags & FAULT_FLAG_WRITE; unsigned long haddr = vmf->address & HPAGE_PMD_MASK; pmd_t entry; - int i; vm_fault_t ret = VM_FAULT_FALLBACK; if (!transhuge_vma_suitable(vma, haddr)) @@ -4298,8 +4297,7 @@ vm_fault_t do_set_pmd(struct vm_fault *vmf, struct page *page) if (unlikely(!pmd_none(*vmf->pmd))) goto out; - for (i = 0; i < HPAGE_PMD_NR; i++) - flush_icache_page(vma, page + i); + flush_icache_pages(vma, page, HPAGE_PMD_NR); entry = mk_huge_pmd(page, vma->vm_page_prot); if (write) |