<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [CI][SHARDS] igt@* - dmesg-warn - i915_drop_caches_set+" href="https://bugs.freedesktop.org/show_bug.cgi?id=110789#c10">Comment # 10</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [CI][SHARDS] igt@* - dmesg-warn - i915_drop_caches_set+" href="https://bugs.freedesktop.org/show_bug.cgi?id=110789">bug 110789</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>5fd4ca2d84b249f0858ce28cf637cf25b61a398f is the first bad commit commit 5fd4ca2d84b249f0858ce28cf637cf25b61a398f Author: Matthew Wilcox <<a href="mailto:willy@infradead.org">willy@infradead.org</a>> Date: Mon May 13 17:16:44 2019 -0700 mm: page cache: store only head pages in i_pages Transparent Huge Pages are currently stored in i_pages as pointers to consecutive subpages. This patch changes that to storing consecutive pointers to the head page in preparation for storing huge pages more efficiently in i_pages. Large parts of this are "inspired" by Kirill's patch <a href="https://lore.kernel.org/lkml/20170126115819.58875-2-kirill.shutemov@linux.intel.com/">https://lore.kernel.org/lkml/20170126115819.58875-2-kirill.shutemov@linux.intel.com/</a> [<a href="mailto:willy@infradead.org">willy@infradead.org</a>: fix swapcache pages] Link: <a href="http://lkml.kernel.org/r/20190324155441.GF10344@bombadil.infradead.org">http://lkml.kernel.org/r/20190324155441.GF10344@bombadil.infradead.org</a> [<a href="mailto:kirill@shutemov.name">kirill@shutemov.name</a>: hugetlb stores pages in page cache differently] Link: <a href="http://lkml.kernel.org/r/20190404134553.vuvhgmghlkiw2hgl@kshutemo-mobl1">http://lkml.kernel.org/r/20190404134553.vuvhgmghlkiw2hgl@kshutemo-mobl1</a> Link: <a href="http://lkml.kernel.org/r/20190307153051.18815-1-willy@infradead.org">http://lkml.kernel.org/r/20190307153051.18815-1-willy@infradead.org</a> Signed-off-by: Matthew Wilcox <<a href="mailto:willy@infradead.org">willy@infradead.org</a>> Acked-by: Jan Kara <<a href="mailto:jack@suse.cz">jack@suse.cz</a>> Reviewed-by: Kirill Shutemov <<a href="mailto:kirill@shutemov.name">kirill@shutemov.name</a>> Reviewed-and-tested-by: Song Liu <<a href="mailto:songliubraving@fb.com">songliubraving@fb.com</a>> Tested-by: William Kucharski <<a href="mailto:william.kucharski@oracle.com">william.kucharski@oracle.com</a>> Reviewed-by: William Kucharski <<a href="mailto:william.kucharski@oracle.com">william.kucharski@oracle.com</a>> Tested-by: Qian Cai <<a href="mailto:cai@lca.pw">cai@lca.pw</a>> Cc: Hugh Dickins <<a href="mailto:hughd@google.com">hughd@google.com</a>> Cc: Song Liu <<a href="mailto:liu.song.a23@gmail.com">liu.song.a23@gmail.com</a>> Signed-off-by: Andrew Morton <<a href="mailto:akpm@linux-foundation.org">akpm@linux-foundation.org</a>> Signed-off-by: Linus Torvalds <<a href="mailto:torvalds@linux-foundation.org">torvalds@linux-foundation.org</a>></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>