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Message-ID: <20131120224254.GA3939@brouette> Date: Wed, 20 Nov 2013 23:42:54 +0100 From: Damien Wyart <damien.wyart@...il.com> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Al Viro <viro@...iv.linux.org.uk>, "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>, Andrew Morton <akpm@...ux-foundation.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, linux-fsdevel <linux-fsdevel@...r.kernel.org> Subject: Re: [git pull] vfs.git bits and pieces > > BTW, something odd happened to mm/memory.c - either a mangled patch > > or a lost followup: > > commit ea1e7ed33708 > > mm: create a separate slab for page->ptl allocation > > Fair enough, and yes, it does create that separate slab. The problem > > is, it's still using kmalloc/kfree for those beasts - > > page_ptl_cachep isn't used at all... * Linus Torvalds <torvalds@...ux-foundation.org> [2013-11-20 14:33]: > Ok, it looks straightforward enough to just replace the kmalloc/kfree > with using a slab allocation using the page_ptl_cachep pointer. I'd do > it myself, but I would like to know how it got lost? Also, much > testing to make sure the cachep is initialized early enough. The initial sending had the proper hunks at the end, so something really got lost afterwards... https://lkml.org/lkml/2013/10/22/129 -- Damien Wyart -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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