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SubjectRe: [PATCH] kmalloc man page before 2.6.17
Paul Drynoff <pauldrynoff@gmail.com> ha scritto:
> Thanks everyone for comments.
> Here is new patch: it make possible creation of kmalloc(9)
> and kzalloc(9).
[...]

A few of minor things:

> Index: linux-2.6.17-rc4/include/linux/slab.h
> ===================================================================
> --- linux-2.6.17-rc4.orig/include/linux/slab.h
> +++ linux-2.6.17-rc4/include/linux/slab.h
> @@ -87,6 +87,45 @@ extern void *__kmalloc_track_caller(size
> __kmalloc_track_caller(size, flags, __builtin_return_address(0))
> #endif
>
> +/**
> + * kmalloc - allocate memory
> + * @size: how many bytes of memory are required.
> + * @gfp: the type of memory to allocate.
> + *
> + * kmalloc is the normal method of allocating memory
> + * in the kernel.
> + *
> + * The @gfp argument may be one of:
> + *
> + * %GFP_USER - Allocate memory on behalf of user. May sleep.
> + *
> + * %GFP_KERNEL - Allocate normal kernel ram. May sleep.
> + *
> + * %GFP_ATOMIC - Allocation will not sleep. Use inside interrupt handlers.
> + * %GFP_HIGHUSER - Allocate pages from high memory.
> + * %GFP_NOIO - Do not do any I/O at all while trying to get memory.
> + * %GFP_NOFS - Do not make any fs calls while trying to get memory.
> + *
> + * Also it is possible set different flags by OR'ing
> + * in one or more of the following:
> + * %__GFP_COLD
> + * - Request cache-cold pages instead of trying to return cache-warm pages.
> + * %__GFP_DMA
> + * - Request memory from the DMA-capable zone

Missing dot at EOL.

> + * %__GFP_HIGH
> + * - This allocation is high priority and may use emergency pools.

Not sure about this one, but: is "allocation is high priority" correct?
"This allocation has high priority" sounds better to me.

> + * %__GFP_HIGHMEM
> + * - Allocated memory may be from highmem.
> + * %__GFP_NOFAIL
> + * - Indicate that this allocation is in no way allowed to fail
> + * (think twice before using).
> + * %__GFP_NORETRY
> + * - If memory is not imidiately available, then give up at once.

immediately

> + * %__GFP_NOWARN
> + * - If allocation fails, don't issue any warnings.
> + * %__GFP_REPEAT
> + * - If allocation fails initially, try once more before failing.
> + */
> static inline void *kmalloc(size_t size, gfp_t flags)
> {
> if (__builtin_constant_p(size)) {
> @@ -112,6 +151,11 @@ found:
>
> extern void *__kzalloc(size_t, gfp_t);
>
> +/**
> + * kzalloc - allocate memory. The memory is set to zero.
> + * @size: how many bytes of memory are required.
> + * @flags: the type of memory to allocate(see kmalloc).

Space before opening '('?


Luca
--
Home: http://kronoz.cjb.net
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