X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fcachetlb.txt;h=866b76139420b2b22d25255b136f378b6186d52c;hb=1ef3e36251e4edc77a48967d015a87ca3c4283ea;hp=73e794f0ff0924e2432e305cb5520345f776160b;hpb=ee2fae03d68e702866a8661fbee7ff2f2f3754d7;p=linux-2.6 diff --git a/Documentation/cachetlb.txt b/Documentation/cachetlb.txt index 73e794f0ff..866b761394 100644 --- a/Documentation/cachetlb.txt +++ b/Documentation/cachetlb.txt @@ -253,7 +253,7 @@ Here are the routines, one by one: The first of these two routines is invoked after map_vm_area() has installed the page table entries. The second is invoked - before unmap_vm_area() deletes the page table entries. + before unmap_kernel_range() deletes the page table entries. There exists another whole class of cpu cache issues which currently require a whole different set of interfaces to handle properly. @@ -373,14 +373,15 @@ maps this page at its virtual address. likely that you will need to flush the instruction cache for copy_to_user_page(). - void flush_anon_page(struct page *page, unsigned long vmaddr) + void flush_anon_page(struct vm_area_struct *vma, struct page *page, + unsigned long vmaddr) When the kernel needs to access the contents of an anonymous page, it calls this function (currently only get_user_pages()). Note: flush_dcache_page() deliberately doesn't work for an anonymous page. The default implementation is a nop (and should remain so for all coherent architectures). For incoherent architectures, it should flush - the cache of the page at vmaddr in the current user process. + the cache of the page at vmaddr. void flush_kernel_dcache_page(struct page *page) When the kernel needs to modify a user page is has obtained