From mboxrd@z Thu Jan 1 00:00:00 1970 From: Till Smejkal Subject: [RFC PATCH 06/13] mm/mmap: Export 'vma_link' and 'find_vma_links' to mm subsystem Date: Mon, 13 Mar 2017 15:14:08 -0700 Message-ID: <20170313221415.9375-7-till.smejkal@gmail.com> References: <20170313221415.9375-1-till.smejkal@gmail.com> Return-path: In-Reply-To: <20170313221415.9375-1-till.smejkal@gmail.com> Sender: owner-linux-aio@kvack.org To: Richard Henderson , Ivan Kokshaysky , Matt Turner , Vineet Gupta , Russell King , Catalin Marinas , Will Deacon , Steven Miao , Richard Kuo , Tony Luck , Fenghua Yu , James Hogan , Ralf Baechle , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Martin Schwidefsky , Heiko Carstens , Yoshinori Sato , Rich Felker , "David S. Miller" Cc: linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, adi-buildroot-devel@lists.sourceforge.net, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-metag@vger.kernel.org, linux-mips@linux-mips.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org, linux-media@vger.kernel.org, linux-mtd@lists.infradead.org, linux-usb@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, linux-mm@kvack.org, linux-api@vger.kernel.org, linux-arch@vger.kernel.org, alsa-devel@alsa-project.org List-Id: linux-api@vger.kernel.org Make the functions 'vma_link' and 'find_vma_links' accessible to other source files in the mm/ source directory of the kernel so that other files in that directory can also perform low level changes to mm_struct data structures. Signed-off-by: Till Smejkal --- mm/internal.h | 11 +++++++++++ mm/mmap.c | 12 ++++++------ 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/mm/internal.h b/mm/internal.h index 7aa2ea0a8623..e22cb031b45b 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -76,6 +76,17 @@ static inline void set_page_refcounted(struct page *page) extern unsigned long highest_memmap_pfn; /* + * in mm/mmap.c + */ +extern void vma_link(struct mm_struct *mm, struct vm_area_struct *vma, + struct vm_area_struct *prev, struct rb_node **rb_link, + struct rb_node *rb_parent); +extern int find_vma_links(struct mm_struct *mm, unsigned long addr, + unsigned long end, struct vm_area_struct **pprev, + struct rb_node ***rb_link, + struct rb_node **rb_parent); + +/* * in mm/vmscan.c: */ extern int isolate_lru_page(struct page *page); diff --git a/mm/mmap.c b/mm/mmap.c index 3f60c8ebd6b6..d35c6b51cadf 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -466,9 +466,9 @@ anon_vma_interval_tree_post_update_vma(struct vm_area_struct *vma) anon_vma_interval_tree_insert(avc, &avc->anon_vma->rb_root); } -static int find_vma_links(struct mm_struct *mm, unsigned long addr, - unsigned long end, struct vm_area_struct **pprev, - struct rb_node ***rb_link, struct rb_node **rb_parent) +int find_vma_links(struct mm_struct *mm, unsigned long addr, + unsigned long end, struct vm_area_struct **pprev, + struct rb_node ***rb_link, struct rb_node **rb_parent) { struct rb_node **__rb_link, *__rb_parent, *rb_prev; @@ -580,9 +580,9 @@ __vma_link(struct mm_struct *mm, struct vm_area_struct *vma, __vma_link_rb(mm, vma, rb_link, rb_parent); } -static void vma_link(struct mm_struct *mm, struct vm_area_struct *vma, - struct vm_area_struct *prev, struct rb_node **rb_link, - struct rb_node *rb_parent) +void vma_link(struct mm_struct *mm, struct vm_area_struct *vma, + struct vm_area_struct *prev, struct rb_node **rb_link, + struct rb_node *rb_parent) { struct address_space *mapping = NULL; -- 2.12.0 -- To unsubscribe, send a message with 'unsubscribe linux-aio' in the body to majordomo@kvack.org. For more info on Linux AIO, see: http://www.kvack.org/aio/ Don't email: aart@kvack.org