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b=jlsg3MZQb936uD7sRHVGzRJsM4FPP06SzC3LJGqDw3Ziw3v0yU1MFVOvQeRHx3m8o 2tS/8PUESGgMjjAPH43sdrcpv3blq0zwFE7Y9/Jwus9K5nh2OSeLV4CUWEWbjXRLLY uzLKcaBO52LJeRgop+GD7611SUufWlz9v8BtmwWELgHKrQ3CopYlUrafbxLptgRsXS ZcxocQSRRySex3jfHuDZLY/ig8HI2qtgXuVA2LIrKB17xKtWo08XOMKjeNz+eKD84x m+qvoZlHD469WMQh3awtCO952TARRFzZDrvSk2C/1IZ4CGLsOtVxFr5sbaGd4V851Y g9g+uW3thmbhQ== Date: Mon, 17 Aug 2026 09:04:24 +0100 From: "Lorenzo Stoakes (ARM)" To: Kiryl Shutsemau Cc: akpm@linux-foundation.org, david@kernel.org, nico.pache@linux.dev, baolin.wang@linux.alibaba.com, baohua@kernel.org, dev.jain@arm.com, hughd@google.com, lance.yang@linux.dev, liam@infradead.org, mhocko@suse.com, rppt@kernel.org, ryan.roberts@arm.com, shuah@kernel.org, surenb@google.com, usama.arif@linux.dev, vbabka@kernel.org, ziy@nvidia.com, usama.anjum@arm.com, agordeev@linux.ibm.com, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, kas@kernel.org, jannh@google.com, willy@infradead.org, pfalcato@suse.de, rostedt@goodmis.org, mhiramat@kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org Subject: Re: [RFC PATCH 57/57] MAINTAINERS: add an entry for collapse Message-ID: References: <20260816224609.308019-1-kirill@shutemov.name> <20260816224609.308019-58-kirill@shutemov.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260816224609.308019-58-kirill@shutemov.name> X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 9E403100005 X-Stat-Signature: pqccmtg348sandpbe4wfzno7ppug14s4 X-Rspam-User: X-HE-Tag: 1786953887-751356 X-HE-Meta: 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 bCIrHYJZ m2bDmPf6dAWgk9kQRkkUw3Ei1aeRJ8D3mgRzYxvldZC3Q2YLusEvVAAWDch2U0pOBViWG2fUBHhSkxZZdA+s7BqJ/5KH2bwSZ8gHzWZ4w0c+sBhOu5l1N+R90ajFMw4cMGGA0Yl9py73RR+DDxV1T1V5Q5ecT2cJpmfoqvvGQdPhXwP+YSljyQRJ4OX9vSj5Eq23Bke2l0xarRHaAR6r7sy+njZC5brNBsFbn6bhDvGp1niywCpmrEMN8+Qom6Bzxdpw/wsUL2lKUelfHE319fHS2Vi1ewv4LS4yEdwGqjpiiLipKEpt8+hm7zHO8cGWm0WWvdFGxLtKXiAcqRwmsMDrAQFVhLexIN78uavzq3fXGUD3BrMZfCNHseFYtqh5v8qPTKiBXR0Lw23ILLhLFr7XILLP7jjlOfnBpmqzQm14sZ+TdtiRCQp0Hc1sIeVH7q8ZPcRMn/soORBM= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Sun, Aug 16, 2026 at 11:46:09PM +0100, Kiryl Shutsemau wrote: > From: "Kiryl Shutsemau (Meta)" > > Collapse is now its own body of code: mm/collapse.c, a header stating what > it offers a caller, and its own tracepoint family. It has two callers, > the khugepaged daemon and MADV_COLLAPSE, rather than living inside one of > them. > > Add a section for it, and move what belongs to it out of the THP entry: > khugepaged.c and its header, the trace header, the selftests, and > mm_slot.h. > > The selftests are matched as khugepaged*.c, which also covers the race and > sync-check harnesses the THP entry did not list. mm_slot.h stays listed > under KSM as well, which is the other user of it. > > Assisted-by: Claude-Code:claude-opus-5 > Signed-off-by: Kiryl Shutsemau (Meta) > --- > MAINTAINERS | 19 ++++++++++++++----- > 1 file changed, 14 insertions(+), 5 deletions(-) > > diff --git a/MAINTAINERS b/MAINTAINERS > index 7c179b333e4e..4e4e5030b979 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -16955,6 +16955,20 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm > F: include/linux/balloon.h > F: mm/balloon.c > > +MEMORY MANAGEMENT - COLLAPSE > +M: Kiryl Shutsemau > +L: linux-mm@kvack.org > +S: Maintained > +W: http://www.linux-mm.org > +T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm > +F: include/linux/khugepaged.h > +F: include/trace/events/collapse.h > +F: mm/collapse.c > +F: mm/collapse.h > +F: mm/khugepaged.c > +F: mm/mm_slot.h > +F: tools/testing/selftests/mm/khugepaged*.c > + I'll look through the series properly, but presumably this is a separation of the THP collapse logic, and therefore should have the same maintainers/reviewers as the rest of THP. > MEMORY MANAGEMENT - CORE > M: Andrew Morton > M: David Hildenbrand > @@ -17272,12 +17286,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm > F: Documentation/ABI/testing/sysfs-kernel-mm-transparent-hugepage > F: Documentation/admin-guide/mm/transhuge.rst > F: include/linux/huge_mm.h > -F: include/linux/khugepaged.h > -F: include/trace/events/collapse.h > F: mm/huge_memory.c > -F: mm/khugepaged.c > -F: mm/mm_slot.h > -F: tools/testing/selftests/mm/khugepaged.c > F: tools/testing/selftests/mm/split_huge_page_test.c > F: tools/testing/selftests/mm/transhuge-stress.c > > -- > 2.54.0 > -- Cheers, Lorenzo