Samuel Thibault <sthiba...@debian.org> writes: >>when allocating an anonymous physical page on a Page Fault, >> why does kernel have to fill it with zeroes? >> I understand it has something to do with security. >See man mmap. Anonymous memory is explicitly documented as being set to >0. >Samuel
Ok,thanks. So libraries and things are potentially expecting the memory to be 0, hence my troubles. Timo Juhani Lindfors <timo.lindf...@iki.fi> writes: > How did you disable it? By removing __GFP_ZERO flag from alloc_page_vma function. Thanks, Viacheslav
