diff options
Diffstat (limited to '5.5/00_all_0003-convert-PAGE_SIZE-usage.patch')
| -rw-r--r-- | 5.5/00_all_0003-convert-PAGE_SIZE-usage.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/5.5/00_all_0003-convert-PAGE_SIZE-usage.patch b/5.5/00_all_0003-convert-PAGE_SIZE-usage.patch new file mode 100644 index 0000000..fbc2c45 --- /dev/null +++ b/5.5/00_all_0003-convert-PAGE_SIZE-usage.patch @@ -0,0 +1,54 @@ +From 25f2bcfa6c8a9e7cee2b92a823495479fe0ccc92 Mon Sep 17 00:00:00 2001 +From: Mike Frysinger <vapier@gentoo.org> +Date: Sat, 13 Feb 2010 03:09:23 -0500 +Subject: [PATCH] convert PAGE_SIZE usage + +The size of a page may change at runtime or based on kernel settings, so +a static value at compile time doesn't work. More importantly, no one +exports PAGE_SIZE to user space anymore. + +URL: http://bugs.gentoo.org/301431 +Signed-off-by: Mike Frysinger <vapier@gentoo.org> +--- + include/uapi/linux/binfmts.h | 3 ++- + include/uapi/linux/resource.h | 3 ++- + 2 files changed, 4 insertions(+), 2 deletions(-) + +diff --git a/include/uapi/linux/binfmts.h b/include/uapi/linux/binfmts.h +index 4abad03a8853..3e98cfc84d1c 100644 +--- a/include/uapi/linux/binfmts.h ++++ b/include/uapi/linux/binfmts.h +@@ -2,6 +2,7 @@ + #ifndef _UAPI_LINUX_BINFMTS_H + #define _UAPI_LINUX_BINFMTS_H + ++#include <unistd.h> + #include <linux/capability.h> + + struct pt_regs; +@@ -12,7 +13,7 @@ struct pt_regs; + * prevent the kernel from being unduly impacted by misaddressed pointers. + * MAX_ARG_STRINGS is chosen to fit in a signed 32-bit integer. + */ +-#define MAX_ARG_STRLEN (PAGE_SIZE * 32) ++#define MAX_ARG_STRLEN (sysconf(_SC_PAGESIZE) * 32) + #define MAX_ARG_STRINGS 0x7FFFFFFF + + /* sizeof(linux_binprm->buf) */ +diff --git a/include/uapi/linux/resource.h b/include/uapi/linux/resource.h +index cc00fd079631..6f9e76f513b5 100644 +--- a/include/uapi/linux/resource.h ++++ b/include/uapi/linux/resource.h +@@ -69,7 +69,8 @@ struct rlimit64 { + * GPG2 wants 64kB of mlocked memory, to make sure pass phrases + * and other sensitive information are never written to disk. + */ +-#define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024) ++/* No one currently defines PAGE_SIZE bigger than 64kB */ ++#define MLOCK_LIMIT (64 * 1024) + + /* + * Due to binary compatibility, the actual resource numbers +-- +2.16.1 + |