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module: fix module loading failure of large kernel modules for parisc

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When creating the final layout of a kernel module in memory, allow the
module loader to reserve some additional memory in front of a given section.
This is currently only needed for the parisc port which needs to put the
stub entries there to fulfill the 17/22bit PCREL relocations with large
kernel modules like xfs.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (renamed fn)
This commit is contained in:
Helge Deller 2008-12-31 12:31:18 +01:00 • committed by Rusty Russell
parent d1e99d7ae4
commit 088af9a6e0
2 changed files with 16 additions and 3 deletions
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3
include/linux/moduleloader.h
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@ -13,6 +13,9 @@ int module_frob_arch_sections(Elf_Ehdr *hdr,
char *secstrings,
struct module *mod);
/* Additional bytes needed by arch in front of individual sections */
unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section);
/* Allocator used for allocating struct module, core sections and init
sections. Returns NULL on failure. */
void *module_alloc(unsigned long size);