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authorKefeng Wang <wangkefeng.wang@huawei.com>2021-04-29 23:01:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-04-30 11:20:43 -0700
commit39ddb991fc45abcdcddbec7fcdfe28795d0133d7 (patch)
tree5cd4a3d6f86442064ed8a72e183d98280b96cd70 /mm/Kconfig
parentd68d015a7e5e3d45624960420e32bd52a937447a (diff)
mm, page_alloc: avoid page_to_pfn() in move_freepages()
The start_pfn and end_pfn are already available in move_freepages_block(), there is no need to go back and forth between page and pfn in move_freepages and move_freepages_block, and pfn_valid_within() should validate pfn first before touching the page. Link: https://lkml.kernel.org/r/20210323131215.934472-1-liushixin2@huawei.com Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Liu Shixin <liushixin2@huawei.com> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/Kconfig')
0 files changed, 0 insertions, 0 deletions