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x86/mm: Use broadcast TLB flushing in page reclaim
authorRik van Riel <riel@surriel.com>
Wed, 26 Feb 2025 03:00:41 +0000 (22:00 -0500)
committerIngo Molnar <mingo@kernel.org>
Wed, 19 Mar 2025 10:12:29 +0000 (11:12 +0100)
commit72a920eacd8ab02a519fde94ef4fdffe8740d84b
treea00cd382d91f53ae3a452c1c8e4026b184e72c7etree
parent82378c6c2f435dba66145609de16bf44a9de6303commit | diff
x86/mm: Use broadcast TLB flushing in page reclaim

Page reclaim tracks only the CPU(s) where the TLB needs to be flushed, rather
than all the individual mappings that may be getting invalidated.

Use broadcast TLB flushing when that is available.

  [ bp: Massage commit message. ]

Signed-off-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250226030129.530345-7-riel@surriel.com
arch/x86/mm/tlb.c diff | blob | history
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